"AOL released the Internet search terms that more than 650,000 of its subscribers entered over a three-month period and admitted Monday that what it originally intended as a gesture to researchers amounted to a privacy breach and a mistake" - ABC NEWS

Just one mistake, 650,000 people! This is an example what technology mistakes can do to people. This is a very interesting story, happened last week. Just search for “AOL privacy Breach” on google, you will get many news links.