Software folks are quick to write off companies which are not technically difficult to build (eg all of social media), but I think Slack is a very interesting c

Software folks are quick to write off companies which are not technically difficult to build (eg all of social media), but I think Slack is a very interesting case to think about. The software is simple, the idea has existed forever, there were competitors in the space. But the thing that really drove the space forward was Slack raising hundreds of millions and marketing the shit out of their software. Only after that have the big guys gone "oh, shit, we have to get in there". I'm not really impressed by Slack as an engineering/innovation company, but it provides a very interesting perspective on business.