Photos: Tesco taps visual search for Wine Finder iPhone app Summary: A fine vintage or a bottle of cheap plonk? Just ask your iPhone... By Natasha Lomas | December 21, 2009 -- 16:21 GMT (08:21 PST) Previous | Next Image 3 of 4 Users are able to buy the wine directly on their iPhone. Image credit: Tesco Wine Finder Topic: Mobility Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.