Though cheery, the interface is also economical, providing extensive options for viewing and updating statuses and messages for all your Twitter and Friendfeed accounts without overcrowding the small screen. The preferences let you customize your receipt of tweet alerts, the program font, and network pings, but not the app's skin. We'd like to see options for dark, sleek, and multicolored looks. Though we also approve of the quick icons for sending messages and unfollowing a user that you see when hovering over a contact's buddy icon, we're looking forward to blocking unwanted followers from Twhirl when Twitter releases that documentation for developers.
Built on Adobe AIR, Twhirl is a stand-out Twitter service that rolls the functionality of many ancillary services into one. For example, Twhirl automatically posts TinyURLs in place of long URLs, sends photos to TwitPic, and searches for Twitter topics using a built-in TweetScan engine. In the settings, you can configure Twhirl to cross-post updates to Jaiku and Pownce, much like the service Ping.fm.
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