To be fair, this was actually a common thing for blogging software companies at the time! Six Apart (makers of Movable Type) was named after the six-day age gap

To be fair, this was actually a common thing for blogging software companies at the time! Six Apart (makers of Movable Type) was named after the six-day age gap between the company's founders. And Tumblr Inc was originally Davidville Inc, David Karp's consulting company.