If you're not familiar with Instagram, it's an app that lets you tweak your cell phone photos and give them vintage looks.  It's insanely popular, so Instagram photos have FLOODED Facebook.

And it turns out...your friends HATE THEM.

In a new survey, Instagram and other faux-vintage photos have been voted THE most annoying types of photos people post on Facebook.  61% have hidden someone's posts because they're posting too many Instagram photos.

--Number two most annoying are BABY PHOTOS.

--Number three are photos that are supposed to look spontaneous but are obviously POSED.

--Number four are holiday photos.

--And the number five most annoying photos on Facebook are photos of food.

(Daily Mail)