Created by: LinkedIn.

The LinkedIn® app for the Palm Pre® is the mobile version of LinkedIn.com, a professional networking site that allows you to network with colleagues, join and participate in forums, and put yourself out there for new opportunities. The app is a decent representation of the website and you can access it right on your phone.

The interface for this app is basic, but functional. Once you launch the app and sign in with your email and LinkedIn password, the home page appears. On the home page is a list of all of your contacts, which you can easily access by tapping on the name you want. To add a new contact, you simply tap the plus icon in the lower left hand corner and a new window opens. There, you can type in a first name, last name and an email address and the standard invitation to LinkedIn text appears in the body of the email. Tap send and you’re on your way to adding a new contact (hopefully).

An icon of an envelope in the lower right hand corner on any of the pages indicates if you have any new LinkedIn emails. Access it by tapping the icon and your inbox appears right on your phone. You also can view your personal LinkedIn profile by tapping on “LinkedIn” at the very top left hand corner of the screen and choosing “View My Profile” from the dropdown menu.

If you want to check your LinkedIn email or maybe send someone an invite to your network while you are out and about, the LinkedIn app is perfect for that. If you want to edit your profile or see the groups and forum discussions of which you’re a member, the LinkedIn app is not even close to perfect. Neither of those two actions are available in the current version, so your best bet is to do those things on a computer.

All in all, for the basic functions of LinkedIn, the app is good…and free.

Created by: Pivotal Labs, Inc.

The Tweed app allows you to tweet and to access Twitter® right on your Palm Pre®. For those of you who like to either tweet throughout the day or check out fairly often what others are saying, then Tweed is a good app for you.

The app is fairly easy to use. When you first open the app, you put in your Twitter username and password. If you have more than one account, you can add them to Tweed and choose which one you wish to have as the default account, and also switch back and forth between them.

The home page for Tweed shows all of the tweets you’ve done or tweets that you follow, just like you’d see on Twitter. If you tap the Home icon on the top right hand corner, a dropdown menu appears with Home, Trending topics, Favorites, Direct Messages, @[username], My Tweets, Bookmarks, and an arrow that opens a location box, which if you allow it, gives you tweets that are nearby to your location from random users.

The app even has a decent navigation tool – tap the black bar at the top of the screen and you get a menu with two choices: Go to Top, Go to Bottom. This is convenient and the lazy way to scroll up or down without having to flick your finger.

To add a new tweet, you simply tap the plus icon on the bottom left hand corner and a new screen opens up, where you can type your 140 character message. Underneath the message box, you have the option of locating nearby tweets, adding a picture, or adding an URL, before putting your tweet out over the airwaves.

Tweed is currently available as Tweed Trial, which is a free trial version. Unfortunately, there is nothing in the documentation to let you know when the free trial version ends, but you’ll know when its over when you can no longer log in on your phone. The good news – you can continue to use it as your Palm Pre Twitter app by paying the $1.99 fee.

Created by: Automattic, Inc.

Bloggers using the WordPress® platform may want to try out WordPress’s iPhone® application as a tool for managing their blog.

To add your blog, input your user ID and password on the main screen. Once the application has verified your blog, tap on the blog title to access posts, pages, and comments. If you have more than one blog using WordPress, you can add those as well.

Using the WordPress application for the iPhone, it’s possible to write new posts or edit previously published posts; view, add, and edit pages on your blog; and review comments.

When you select Posts from your blog’s main screen, you can choose to write a new post or review previous posts. To publish a new post to your blog, change the status to Published by tapping the Status field and selecting Published from the list. If you want to be able to edit the post prior to publishing, change the status to either Pending Review, Private, or Draft. You’ll be able to access the post from your WordPress dashboard later.

You can attach photos from your iPhone to a blog post using the Photos button. I have been struggling to get this feature to work for my blogs, but I think it’s just a matter of ensuring that the blog settings are correct.

Want to see how the final version will look on your blog? From the Posts screen, tap Preview to see the post as it will appear on your blog without leaving the application. To change the publication date or add a password to a post, tap Settings. You can also toggle the resize photos feature on and off.

While the WordPress iPhone application still has a few bugs, it’s a great concept and is definitely useful when it comes to maintaining a blog.

Pros: Gives WordPress users a chance to write and post blog entries on the fly. Allows you to review comments as well as previous posts.
Cons: Important to make sure that your WordPress blog is able to work with a mobile application. Can time out easily and may have issues doing anything beyond simple text uploads.

Created by: TweetDeck.

Users of the desktop application TweetDeck will love the iPhone® version. It’s virtually identical to the original version, with the ability to create columns that sort your Twitter® feed based on various criteria, such as follower type, search terms, direct message, mentions (retweets and replies). This feature alone makes TweetDeck invaluable for heavy Twitter users.

To post a tweet, tap the yellow balloon in the top right corner of the screen. If you have more than one Twitter account associated with TweetDeck, you can switch between them by tapping the user name shown in the bottom left of the entry field. Add a photo or shorten a URL using the camera or chain icons, respectively.

There are two great features on TweetDeck that make it very easy to review your various feeds and any links:

1. To read all of the tweets in one column, tap on the column to bring it into full view. Once you’ve reviewed all of the current tweets, press the Mark as Seen button. All of the seen tweets will have a black background, while any new tweets will have a gray background.
2. If someone’s posted a link you want to read, tap on the tweet, then tap on the URL. Instead of opening the link in Safari, TweetDeck will open the link within the application.

From the main screen, you can scroll between columns, see how many total updates are posted and add a column. You can also modify the main settings for composing tweets, picture service (i.e., where pictures are posted by Twitter should you add an image to your tweet), and sounds. Twitter accounts can also be added or removed via the Settings page.

When reviewing tweets from those you follow, you can read their profile information, see who they follow and who follows them, send a reply or direct message, and unfollow or block them. You can also quickly add or remove them from TweetDeck groups you’ve already set up.

If you have more than one Twitter account, you can get access to all of them from TweetDeck. Simply sign up for a free TweetDeck account and start entering your Twitter user IDs and passwords. The TweetDeck account will also enable you to sync your columns across the desktop and mobile platforms. Even though setting up columns on TweetDeck’s mobile application is very straightforward, users may find it easier to set up their columns via the desktop application.

I’ve tried other Twitter apps for the iPhone and TweetDeck is my favorite by far. Since I have several Twitter accounts I maintain, I prefer TweetDeck because it’s so easy to see at a glance what’s happening in various groups as well as among my Twitter accounts.

Pros: Great user interface. Syncs across desktop and mobile versions with a TweetDeck account. Easy to find and follow users, as well as access other information. Pulls up links within the application rather than opening Safari.
Cons: Can only handle 6 columns on the iPhone. After heavy use, the application may time out.

Created by: The Iconfactory.

Twitter® fans will appreciate the simplicity of the Twitterrific application for the iPhone®. Similar to the web-based Twitter interface, Twitterrific streams your Twitter feed clearly and easily. Have more than one Twitter account? Once you’ve entered the user ID and password for each account, you can switch between them from the main screen.

To enter a tweet of your own, tap the word bubble at the bottom of the screen. From here, you can shorten a URL by tapping the double arrow icon, add a photo from your library or snap a quick picture, or update your Twitter location. The eye button minimizes the posting window; tap again to maximize it.

Twitterrific makes it very easy to access all sorts of info about the Twitter users you follow, and those who follow you. Select someone in your Twitter stream, then press the asterisk to see their profile, recent tweets, and their favorites. Want to add personal information? Tap the pencil icon to store that data on your device. While other mobile Twitter applications may require you to go to Twitter’s website to manage your followers, with Twitterrific, following and unfollowing users is very straightforward.

Can’t remember what you just tweeted? Or perhaps you need to check for replies to your last tweet? Tap the filter to see replies, direct messages, favorites, your recent tweets and any tweets you’ve marked.

The only difference between the free and paid versions of Twitterrific is the advertising, and the ads in the free version are so unobtrusive you might not even notice them right away. The majority of Twitterrific users will probably find that the free version is perfect for their Twitter needs.

Pros: Lots of functionality, including the ability to follow and unfollow users very easily. Allows for multiple Twitter accounts.
Cons: Cannot see multiple Twitter account streams on one screen. May time out very easily with weak connections.

Are you looking for a way to try new things and meet new people? Then you should try the LivingSocial application for iPhone®.

This application is an internet-based social discovery network that allows you to catalogue, review, and discuss your favorite movies, books, video games, TV shows, music, restaurants, and beer.

You need to create a profile on livingsocial.com and then you can immediately begin listing and reviewing your favorites in one or all of the interest areas.

This app helps you express yourself and you can get to know new people who have the same interests as you. What a better way to start a friendship!

There are over 95 million items you can choose from and there are over 6 million socialites online. So get LivingSocial now.

Are you wondering what your friends are doing? I like to keep updated on my friend’s status and doings. So what better way to do it than with a Facebook® application on your iPhone®?

Facebook has just launched their new iPhone app and it is amazing! It’s one of the best Facebook applications I’ve seen on the iPhone so far. I actually like using Facebook on the iPhone with this new application more than on the actual Facebook website.

Facebook for iPhone not only looks wonderful on that big touch screen, it makes it easier than ever to stay connected with your friends wherever you are. If you are like me, you may find yourself updating your status many times a day once you have Facebook in your pocket everywhere you go.

The iPhone app lets you search for people with just a few quick taps and calls your friends directly from their profile. I can’t think of a better way to stay it touch with all of my friends. With the Facebook app on my iPhone, I can check my wall, chat with Facebook friends, see friends’ photos and upload my own, and much more! Since I simply must check my Facebook when I’m out and about, this is a great way to do it.

Facebook app has over 1.5 million users, so come on and join us! Get it now because the Facebook app is free!

Are you a Twitter® fan? Then you should definitely try out the Tweetie application on iPhone®.

I would say this is the best Twitter client to have while you’re out and about. The application has the perfect features for me. I can view timeline, replies, direct messages and favorites. But my favorite feature on the go is the possibility to post new tweets, reply to direct tweets and send direct messages.

You should also have Twitpic, which allows you to post photos as well. So get your iPhone and download this application and start writing your tweets on the run. For example, you could tweet a funny picture of a lady falling on the street. Like many people, I also have more than one Twitter account and it’s great that you can follow all of them with the Tweetie client. I follow other people on Twitter, see what other twitterers are doing, and I also can update my twitter location.

Tweetie is my new favorite twitter client on my iPhone. Definitely download this today.