Well I don’t post personal information about me on the web anyway so I doubt they’ll be able to use any of that.
Ah, but have you ever Googled your own name? Doesn't matter if you post information about yourself on the internet or not, if anyone anywhere has ever recorded information about you, Google's data miners WILL find it, provide links to your dirtiest, darkest secrets in search results....and if that's not enough, Google stores it in their own ginormous data banks so they can pester your Gmail contacts/acquaintances with sensitive information you'd rather was kept private.
Like Jafo said, knowledge is power....and when Google's purchasing power has acquired NASA as well, not only will it be 'Google's Earth', but as far as the shuttle/NASA's technology will take them as well. I can see it now, how astronomers are gonna get mightily pissed as they peer at the moon (other galactic bodies) through their telescopes and see 'sponsored by Google ads' for inter-galactic travel/vacations, weddings/funerals plastered all over the place.
