This isn’t a secret, even Google have advertised the fact – but a surprising number of people seem unaware of it. See http://www.guardian.co.uk/technology/2012/feb/24/pass-notes-browsing
Based on what I’ve read, it’s next to impossible to prevent Google collecting data in this way.
First of all, if you have a Google account, as I do, and also use Google+ and G-mail, then it’s pretty damn hard to escape their clutches.
If you just have a Google account – and many people do without using G-mail or G+ having found, like me, that neither were what they wanted – simply Continue reading