Vine is a new app from Twitter that is designed only for video sharing.

Vine is a new app from Twitter that is designed only for video sharing.

One of the world’s largest social networks has launched a video sharing service exclusively for the iPhone and iPod Touch.

Vine – from Twitter – appears to compete with the array of video-only sharing apps landing on the market.

These apps, like Canada’s Keek, let users share short video updates with friends.

Vine is no different. You can follow other friends on Keek to see their streams of video updates, or share your videos to Twitter and Facebook.

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