For those who thought its email-only device targeted too broad a market, Peek Inc. has gone even more niche — and more absurd — with the first mobile device dedicated entirely to Twitter. TwitterPeek, as the gadget is branded, enables users to read and send tweets, reply, retweet and send direct messages on the go. The device sells for $99 plus an $8 monthly fee or $200 for a lifetime of service.

The problem, of course, is that plenty of phones at that price point and below integrate Twitter services very well (and Twitter’s novelty factor may be wearing thin anyway). Twitter apps are available on $99 smartphones such as the iPhone 3G and Palm Pre, and even cut-rate feature phones can handle basic Twitter functions. But the most laughable thing about the TwitterPeek is the thought that users somehow need a dedicated device for every social networking site or mobile Internet app. It’s akin to having one television on which to watch sports, a second for movies and a third for sitcoms. Oh, and paying separate cable subscriptions for each TV.

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