PR rule No. 1: Don't make news for the wrong reason.
Especially when you know better.
What was President Obama thinking when he leaned in for the now infamous selfie with UK Prime Minister David Cameron and Denmark Prime Minister Helle Thorning-Schmidt? Obviously Mrs. Obama knew better — and she was having none of it.
It's a great reminder to all who represent organizations — from executives on down — that everything you do will likely get caught on camera or tape. And even if you're caught up in the moment — or just acting somewhat goofy — someone is going to share it.
Whenever you're in the public eye, always remember to act like it.