make ME Twitter CEO
I would prioritize one thing, and one thing only – be sure to consolidate and liquidate any/all assets to ensure that every single laid off employee gets their full severance, as well as every to-be-laid off employee receives equal severance/benefits. Then, begin a gradual and consistent dismembering of the service. Drawing down algorithmic usage, advertisement spots, and open sourcing the software for any of those interested in utilizing it for their own project(s). The Twitter brand name, as a household name, would be auctioned off (such as AOL sorta did back when) and it could reside in a company's portfolio for all to recall, but never encounter again.
I would then resign, and perhaps accept my Nobel Peace Price