Twitter is about to rollout Lists, a feature currently in testing, that will allow you to create your own custom lists of Twitter users that others can then follow with one click. These public lists will also be available to developers via the API – pretty innovative step forward.
Teen usage of mobile phones focuses heavily on texting, both sending and receiving. In Q2 2009, the top-ranked mobile activity for teens was messaging, with 84 percent of teens sending a text message and 55 percent of teens sending a picture message.
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