Over the last few days, I've been dealing with people who should learn the true meaning of "teamworking". For those guys, "sharing" and "collaboration" are obscur concepts promoted by some psychologists. Don't talk about the Web 2.0, whilst they even don't use email to communicate with their so-called team mates.
In the meantime, I also discussed with those team mates. I realized one thing : give people a smile, and they'll give you the World. It works both ways : when I play the Pierre Cardin salesman at this menswear store, I always welcome the visitors (not yet customers, see the difference ;-) with a large smile and big "hello, how are you today ?" kind of greeting. Outcome : 80% of those visitors become customers, most of them loyal. When I go shopping myself, the same large smile on my face will bring me a better service 80% of the time.
Conclusion : smile, and you'll make the World a better place.