You can answer your questions by looking at the OP, which will take you to https://twitter.com/mcannonbrookes/status/125437688433222860..., which will take you to https://en.wikipedia.org/wiki/Mike_Cannon-Brookes.

Given the timestamp on your comment I'm guessing that you're not in Australia. I'm not either, so it took some time to piece together the context. Given that the thread was mostly during Australian hours, most commenters probably already had it in cache.