Gmail and productivity have always been hyphenated together. Hopefully, you still haven't given up the ghost of Inbox Zero, ...
Sign in to Facebook. Go to Settings & privacy > Settings > Apps and websites. (Apps and websites is on the left, but you'll need to scroll down a bit. It's nested under Your Activity.) Select Remove ...
Open the MacBook with the keyboard facing you at a 90-degree angle, and tilt it backward slightly. Spray compressed air left and right around the stuck key. While you're at it, you may want to do a ...