Web dev consultant, long time WHATWG/W3C contributor, linguist and computer scientist. I get paid by browser vendors to make the web more interoperable.
[ my public key: https://keybase.io/gsnedders; my proof: https://keybase.io/gsnedders/sigs/mzGxtKUO-Q2yYme3MggWJzaLZS6USlZuc8xRrS7iQi4 ]