Insight: How freewheeling Twitter became a money-spinning juggernaut - Tue 17 Sep 2013 12:24:AM
SAN FRANCISCO (Reuters) - Around midnight on Christmas Eve of 2009, a handful of employees at Twitter received an unconventional holiday greeting from Dick Costolo, then the chief operating officer.
Source: Insight: How freewheeling Twitter became a money-spinning juggernaut
Source: Insight: How freewheeling Twitter became a money-spinning juggernaut