Struggling Twitter sees exit of key executives

Twitter is facing the exit of key managers, even as the company struggles with flagging growth in its user base.
CEO Jack Dorsey said in a tweet late Sunday that senior vice president of engineering Alex Roetter, vice president of global media Katie Jacobs Stanton, senior vice president of product Kevin Weil, and Brian Schipper, vice president of human resources were quitting the company.
"All four will be taking some well-deserved time off. I'm personally grateful to each of them for everythin