[ogou]

Basecamp is a well-known example. I saw it personally at 3 different companies, including one in Germany. https://news.ycombinator.com/item?id=27032627

[ryandrake]

Thanks for that link. Wow, what a wild story. I agree with the top commenter: It looks like the company was composed entirely of children or adults with child-like communication skills/habits!