By Joe Wilcox, Betanews

The Super Bowl is as much about advertising, in some respects more, than the actual game. Advertisers are paying as much as $3 million a commercial spot, which is perplexing in this era of targeted advertising on the web. Super Bowl ads hit a mass of people, more than 100 million expected for today's Green Bay Packers and Pittsburgh Steelers face off, but advertisers don't know who you are. Or do they? It's a question I've been asking, following several unusual events occurring over the past 10 days or so. I'm talking about your privacy and how much less of it you have this Super Bowl Sunday than the last one and how much more advertisers will know about you by next year's playoff.

I've been thinking lots more about advertising and privacy this week because of