This week on Ask Lifehacker we're debating the feasibility of Google's futuristic augmented reality glasses, protecting ourselves from hacks and viruses, blocking porn in every possible way, and fitting our big hard drives on small SSDs. Also, we take a look at a few downloads that can turn your diet and exercise routines into games, make Windows 7 feel like new, and turn the pages of PDF documents with your face. It's an action-packed episode this week, so come check it out!

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