Vine was a service for sharing six-second-long looping videos. On 2016-10-27 they announced they would be discontinuing the mobile app, but keeping the website online.  Vine videos can be backed up from the app or website until 2017-01-17. 
How to export your data
- 2016-12-05 : Rescuing my tiny videos from Vine
- How do you export all the responses?