But while the Olympic stadium is visible from much of east London, how many people there will actually see tangible benefits from the Games?

CNN: Why gritty East End is London's gold standard

Over time, the things you like will accumulate and you can scroll through the list and pick posts to reblog which in turn will be reblogged by other users and generate a number of notes (visible with each post) that show exactly how many people either liked or reblogged the piece.

FORBES: Tumblr 101: Join The Reblogging Group

The team officially played to 93% capacity based on tickets sold, though the visible swaths of empty seats at many games indicated many fewer people were at the ballpark most nights.

FORBES: Magazine Article

Many people hold the misconception that STDs come along with a visible sign, such as irregular discharge or a rash or bump.

CNN: STDs still on the rise, report says

We can't be sure how many people responded to the campaign but it was certainly very visible on Twitter and Facebook, and the site with the Tweet This links had over 40, 000 views in 24 hours.

BBC: Social media v the News of The World