Question: How can you get crumbles out of your keyboard?
Option 0: Using a can on compressed air, attach the straw and place near the keyboard.  Squeeze the trigger and move the can along each row blowing out the crumbs.
Option 1: Using a can on compressed air, attach the straw and place near the keyboard.  Squeeze the trigger and turn the can upside down while blowing out the crumbs.
Answer: 0