Now, add in the health scares: Jobs' 2003 scare with pancreatic cancer, an obituary that Bloomberg accidentally ran in August after Jobs appeared gaunt at conference in June and Friday's false report of a heart attack.

FORBES: Magazine Article

The tweet about an attack at the White House is false.

BBC: AP Twitter account hacked in fake 'White House blasts' post

Ch Supt Rob Nixon said false rumours circulated on social networking sites preceded the attack, which is not being treated as faith-based.

BBC: Police outside the Moghul Durbar

The attack on Romney was unfair, even false, in its particulars, but McCain believed that Romney had shown the least backbone of all the candidates.

NEWYORKER: On the Bus

During cross-examination, Mark Milliken-Smith QC, for Bassam Karrar, suggested Girl Three had not made a formal complaint at the time of the attack because her account was "a wholly false allegation of rape".

BBC: Oxford grooming: Girl Three's story

"A lot of false information comes to me, especially when I cover an attack, " he said, adding that he spends much of his time trying to confirm deaths and identities.

WSJ: Armed With Phone, and Dangerous to Syria

Many people see geoengineering as a false solution to an existential crisis akin to encouraging a heart-attack patient to avoid exercise and continue to gobble fatty food while simply doubling his dose of Lipitor.

NEWYORKER: The Climate Fixers

Authorities say they have no reason to believe the suspect letters are related to the bombing attack at the Boston Marathon on Monday, and they noted that false positive tests for ricin are common.

WSJ: Ricin Also Suspected in Letter to Obama

The phrase "swift boat" comes from the 2004 presidential election, when the group "Swift Boat Veterans for Truth" launched an attack ad campaign against Democratic candidate John Kerry that was said by some to be false.

CNN: McCain, Obama find common ground on national service