Put a "Please Use Other Door" sign on the entrance to your office building if it only has one entrance.

 1384

1  

Hide an alarm clock in someone's bedroom and set it for 3:00 a.m.

 750

0  

Hide all of the desktop icons on someone's computer and replace the monitor's wallpaper with a screen-shot of their desktop.

 814

0  

Put tape over the optical sensor of someone's mouse.

 790

1  

I just recently discovered that there is a national holiday named after Atheism. April FOOLS day. Like this story in the name of Jesus.

 1884

0