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
