I think most people don't give a flying frak about Google "reading" their emails. The only people it could be effective again are the ones spending time on HN,

I think most people don't give a flying frak about Google "reading" their emails. The only people it could be effective again are the ones spending time on HN, /., etc. who value their privacy. Heck, I'm using Google and Google Docs for nearly everything and I don't give a crap about their tiny text ads related to what I write in my emails.