Today is Shia LaBeouf's (Transformers) birthday and he is proving that you shouldn't underestimate actors.

Actors aren't just pretty faces who memorize lines; they also research their roles. And that is exactly what Shia did for his role in 2008's "Eagle Eye." He had an FBI consultant who told him that 1-in-5 calls were recorded and proceeded to prove it. We've got Shia's explanation of the proof to Jay Leno back in 2008 below.

Should we say hi to the NSA everytime we answer the phone?