Google asks Times Square, "What is a browser?" [video]
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I use and like Chrome, but understand that the average person doesn't and shouldn't have to care about what browser they use.
The danger in that is that you have hundreds of people using that system to send sensitive data without really understanding how it works. It's like putting someone in a car without basic safety training - sure, if they've seen someone use the controls, they can pick it up pretty quickly. But there's a lot of really important things they don't realize. If people don't know what a browser is, they probably don't know how important it is to keep it updated. They probably don't know about phishing scams, or why giving your email password away is dangerous.