Twitter killed Vine but it still sees a '$10 billion' opportunity in video (TWTR)

For some time now, Twitter has been a company in decline.
Once it reached the 300 million monthly active user landmark, its once-meteoric growth stalled. Revenue growth is slowing down too. And with the company still yet to turn to turn a profit, Twitter needs to do something drastic in order to achieve its publicly stated target of reaching GAAP (generally accepted accounting principles) profitability by 2017.
But Twitter has a plan.
Speaking on the company's third quarter earnings ca