I'm going to commit a sin and mention #twitter here on Google+.
If you see an article from +OMG! Ubuntu!
tweeted or mentioned over on the twittersphere (even if the tweet isn't by us) you can see a short preview of what it's about by clicking on the tweet. This only works on the website and apps that support Twitter Cards
Props go to +Sam Tran
for implementing it on OMG!, and #Twitter
for accepting us in to the Cards programme.