What do you consider "Art"?

Over my spring break I decided to check out some new exhibits at the MoMa (got in for free because I'm a SUNY student, that was pretty sweet!). I stumbled across Marina Abramovic's "performance" exhibit without even knowing it. As I passed the giant Tim Burton blue blow up ....thing.. and ventured to the second floor of the museum to find a massive taped off square on the granite floor and two people starring at each other across a table, in the center. After about 30 seconds of standing there, I said, " Okay, On to the next..."