It hit me very hard yesterday when I heard he passed as he was one of the really big contributors to the technology we are using now.

Even harder when I first read of the dubious circumstances regarding his twitter account.[0] Arstechnica started an Inquiry.[1]

[0]http://archive.is/OPlI7 [1]http://arstechnica.com/information-technology/2015/12/ian-mu...