BizSugar.com › Management › Lessons In Leadership From Twitter

Inc.com: Back in September, Twitter announced it had 145 million users. Staggering, no? Well two months later, it now has 175 million users. Some are predicting it could break 200 million by the end of the year.
Something else amazing has happened to Twitter during this same time period. About a month ago, Twitter co-founder, Evan Williams, voluntarily stepped down as CEO handing over the wheel to his then COO, Dick Costolo.