I publicly compliment everyone! Complete strangers over anything and everything flattering if it so strikes me. I think it is part of making this world a friendlier place. If you think something kind, why not voice it? So if I see someone holding a cute handbag or rocking good hair or if that person happens to look like someone famous and attractive I point it out. Not only do you feel good about making someone else happy and not hogging that positive energy to yourself, you also might make a friend or strike up a conversation. You have to be careful with men though, I've noticed. Some of them can mistake a passing compliment and a friendly smile as a come on.