Israeli startup Meerkat is breaking down global barriers in mobile video live-streaming and became the next big thing in mobile almost overnight.

Many social networks are all about the "now." Twitter and Facebook can both give you an idea of what your friends are currently doing. Israeli startup Yevvo takes this notion a step further with live video broadcasting from your smartphone.

Twitter users have grown accustomed to short, real-time text updates. Now, Israeli startup Yevvo is trying to convert that principle into video-blogging, by offering short HD broadcasting that can only be viewed live.