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Byline: Matthew Sparkes
Open up a can of widgets
In late May social networking site Facebook launched a platform that effectively opens the site up to third-party developers. The platform allows the creation of Facebook applications A- plug-in extensions for the site that can interact with users and access the information stored in user profiles.
Within days hundreds of Facebook applications had been launched, some of which have become massive successes, drawing in tens of thousands of users. At the time of writing there are 2,290, and the number is growing every day.
The growth of the user base for some applications has been so rapid that Facebook has even had to introduce measures to slow their viral nature, and set a limit of 10 user invites a day. This means that a Facebook user can't invite all their friends to one application at once, angering some developers but calming the initial flurry of arbitrary invites that threatened to descend into spamming.
The speed with which so many widgets were launched is an indication of how low the barriers to entry are for Facebook applications. A talented web designer or information professional should have little problem creating a simple application, and all widgets have the same chance of success on the site.
Applications range from the funny but useless to fully fledged information services. Some are surprisingly well featured because they can access information stored in a user's profile, and collect more information with a graphical interface.