Does anybody remember Vine? Still using it?

There is a hype in the last several weeks about a new app: Yo http://www.justyo.co/

The Rise, Falter, And Future Of Yo

http://www.businessinsider.com/the-rise-falter-and-future-of-yo-2014-6

Do you use Yo? How?
What will be the future of Yo, you think?