If you didn't lose $750 million you did better than Twitter

Twitter Co-Founders Just Lost Almost $750 Million
Have any of these companies ever made money?
Twitter
Amazon
Pinterest
Must watch - Silicon Valley
Twitter Inc. co-founders Evan Williams and Jack Dorsey lost almost $750 million in paper wealth this afternoon after the company posted first-quarter revenue that fell short of estimates ...
Have any of these companies ever made money?
Amazon
Must watch - Silicon Valley