Twitter seeks new CEO, and more users, as Costolo exits
Some things can’t be summed up in 140 characters. Twitter Inc’s (TWTR.N) announcement that Dick Costolo would exit as CEO on July 1 was long on plaudits but offered few clues on how the company will tackle its biggest problem: user growth. Twitter’ shares were down 0.6 percent in early afternoon trading on Friday, after rising much as 3.9 percent just after the opening, as investors assessed […]