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Utterz looks a lot like Twitter at first blush, but it's really more of a multimedia moblogging platform.
Poodz takes all the things you love about Twitter and other similar microblogging services and goes above and beyond.
Pownce (kinda) goes mobile.
Kadoink's voice- and song-messaging service officially launches in beta.
ShoZu's new multimedia messaging service sends photos and video clips to multiple destinations you preset online.
Four companies introduce mobile services for sharing text, photo, or video content to or from your cell phone.
These five mobile social networks are all vying to be the next hot thing. See how they stack up.