Don't have bread? No problem, make your own delicious flat bread in under 30 minutes. All you basically need is flour, water, olive oil and a bit of baking powder.
PIPA team working on a fingerprint authentication for basically anything. Take a look at this promising project that still needs your funding to go into the production.
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.
Basic tutorial for everyone who want to will learn how to use a dedicated tool for really quick changing of any color you want on a photograph with the help of trusty Photoshop.
I'll show you the basic usage of IF function in Google Drive Spreadsheet. The IF function returns one value if a specified condition evaluates to TRUE, or another value if it evaluates to FALSE.