Blue Painters Tape: An Event Planning MUST

Put a roll of BLUE PAINTER'S TAPE in your purse or event bag. Right. Now.

Rip in a banner ➡ FIXED!
Loose wires ➡ FIXED!
Lightweight centerpieces on a windy day ➡ FIXED!
Signage needed at the last minute ➡ FIXED!
Flipchart notes not visible ➡ FIXED!
Keynote speaker going over time ➡ FIXED! (Don't actually tape their mouth shut...just threaten to, a bit creepily, from the side of the stage.)