So, Dick Costolo has decided to step down as twitter CEO, and Jack Dorsey, Twitter's Chairman is to become interim CEO while the company looks for a new leader.
Costello will stay as member of the board, his departure was widely rumored for months. Choosing Dorsey to take over in the interim is interesting since he is a former Twitter CEO, he'll have his work cut out for him given Twitter's lack of user growth and the short patience of it's shareholders.
