Twitter Hashtag Inventor Explains Why Patenting It Would Have Been The Wrong Thing To Do

Hashtags like #techdirt are not only an indispensable part of Twitter, but are also increasingly to be found elsewhere as a handy way of flagging up key topics in a compact and recognizable way. Given the monopoly-mad world we inhabit, it's something of a miracle that they weren't patented. Business Insider points out that Chris Messina, the former Google employee who came up with the idea in the first place, has explained precisely why he didn't try to patent them. The first reason is practical: 

On Techdirt.