Not only do they not hold a trademark, they tried to acquire a trademark and failed because it was "too descriptive" (and I suspect because it was already in us

Not only do they not hold a trademark, they tried to acquire a trademark and failed because it was "too descriptive" (and I suspect because it was already in use). See my comment above for links: https://news.ycombinator.com/item?id=23234029 https://news.ycombinator.com/item?id=23234029