Answer: factoid

AnswerCrossword Clue
FACTOIDBit of trivia
FACTOIDPiece of trivia
FACTOIDElvis sighting, e.g.
FACTOIDTrivia tidbit
FACTOIDSidebar item
FACTOIDProduct of the rumor mill
FACTOIDIt's almost the truth
FACTOID"Jeopardy!" component
factoidinsignificant or trivial fact
factoidsomething fictitious or unsubstantiated that is presented as fact, devised esp. to gain publicity and accepted because of constant repetition
factoida statement said so often that it is believed to be true