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 Notability tag 

Ryulong, re your edit summary here, it is clear that, during the Afd, at least five of us thought that he was notable:
 ""Keep , sufficiently notable artist. (...) DGG"" 
 ""Keep (...) We are creating a free encyclopedia with millions of articles about notable topics. This is one of them. Cullen""
 ""Keep, (...) Horvitz is notable under Wikipedia's WP:GNG, (...) Tbhotch""
 ""Keep (...) He is clearly notable. (...) Theredproject""
 ""Obvious keep. (...) If Horvitz was not notable, I'd happily !vote for delete but it appears he just passes WP:GNG. (...) freshacconci"" 
Later, in 2014, The Huffington Post explicitly stated that he is renowned ""for his work in the virtual sphere."" I am removing the tag for now.   "