It looks like across much of the word, Twitter is down, causing productivity to skyrocket at many workplaces.

If you're suffering from Twitter withdrawal, here are five Twitter-related cartoons to keep yourself amused. If symptoms persist, I invite you to visit my Facebook page for more help...

Mike Keefe / PoliticalCartoons.com (click to view more cartoons by Keefe)

David Fitzsimmons / Arizona Daily Star (click to view more cartoons by Fitzsimmons)

Nate Beeler / Columbus Dispatch (click to view more cartoons by Beeler)

Joe Heller / Green Bay Press Gazette (click to view more cartoons by Heller)