I remember watching youtube clips of Arshavin and Gervinho, and they looked world class... until I actually saw them play full matches. (justarsenal.com)
Watch youtube clips of Ethereum founder, Vitalik Buterin, for too... (sebfor.com)
That should tell you about how he rates himself; Carvalho: Some star in youtube clips not worth putting a penny on; Imbula: Who? (justarsenal.com)