So what if Google knows and remembers all our data, at least it's turning that stuff into something useful. The latest enhancement to its Gmail client is a neat Contacts restoration option, which can rewind you back to a maximum of 30 days ago, offering a chance to recover rashly deleted email addresses or to remedy an ill-advised sync with any of your other contact-keeping services. As is par for the course with Gmail, it's a neat and seemingly minor improvement that'll probably keep users from leaving it for greener pastures over the long term as they grow accustomed to its security. Just how Google likes it.