In Pictures: 20 best tech devices of 2012 (so far)

The year is just a little more than half over, but we've already seen an explosion of innovative tech. Here's a look at the best of what is out so far in phones, tablets, HDTVs, cameras, and more.

Android 4.1 Jelly Bean OS

Google’s new Jelly Bean operating system (Android 4.1) boasts improved performance, new notification features, better voice dictation and search, and an enhanced camera app.

When PCWorld pitted a Galaxy Nexus using Jelly Bean against an iPhone 4S in a voice-search face-off, Jelly Bean came out ahead of Siri on 8 of 17 questions and commands.

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