You can set notifications to find out when your collaborators have modified your spreadsheets, and learn what sheets or cells they've modified. You can also choose how often you'd like to be notified.
Geminid meteor shower is suppose to be one of the best displays space has to offer this year, so be sure not to miss it! You can also watch the live broadcast of the event on Dreevoo.
Photographer Tadao Cern turned the self-portrait painting of the famous post-expressionist painter Vincent Van Gogh into a photograph with a help of Photoshop.
If you are the kind of person you want to read what has been changed before updating an app you can disable the auto app update setting. Or enable if you want updates fully automated.
Talking about awesome coincidences... A GoPro camera fell from a plane carrying sky divers and lands in a pig pen! This guy finds it 8 months later and posts it on YouTube.
If you have activated the option to store passwords in Mozilla Firefox, than you can easily look at all password you have entered when you were browsing websites.