The Bathroom Rule of Texting Etiquette

Switched.com sponsored a contest to see who could come up with the best rule on texting etiquette, and the following rule is the winner:

If you're in a situation where you'd excuse yourself to go to the bathroom, you should also excuse yourself before reaching for your phone. Otherwise, go ahead without asking. Either way, don't play with your phone longer than you'd stay in the bathroom.