I thought it was notable that Buffet referred people to Airbnb for lodgings in the Omaha area for the shareholder meeting. Not a guy particularly noted for being on top of trends (note: I am a huge WEB fan in numerous ways, though).
Haha yes his love of a good bargain overcame his self-professed technophobia in that case!
I'd guess he's just being modest with his frequent professions of technophobia though. I'd guess he knows a lot about technology businesses, but just figures that it's impossible to see their futures clearly enough for them to meet his standards.
He did forewarn disappointment with the 1999 tech boom, so he can at least spot extreme misvaluation in trendy businesses: http://archive.fortune.com/magazines/fortune/fortune_archive... (if anyone wants to ctrl+f to the start of the relevant section, it begins with 'I thought it would be instructive')
edit: see page 22