If you're like us, you find yourself screaming at the screen whenever a movie character does something stupid. The obvious remark is yelling, "Don't go upstairs!" to the horror film vixen. But which one of us hasn't thrown a pillow at the television st the scene where the secret-holding horseback-riding postman passes a flustered and scared Romeo. That movie, and a few others, have been re-shot by College Humor staff in "If All Movies Had Cell Phones." Video After the jump...

This also serves as a friendly reminder not to take your everyday tech for granted:

From College Humor.