We’ve got the mobile photo sharing thing down. Whether you’re broadcasting them over Twitter, sharing them on Instagram, or just SMSing your shots to your friends, it seems like everyone’s pretty comfortable with sharing their smartphone photos. Not necessarily the case with video! Do I send a crummy compressed copy via SMS? Or take the time to upload to YouTube? I never really know, so I usually don’t bother. Socialcam, a new app from the video streaming gurus at JustinTV, is hoping to bring simple video sharing to the mainstream.