Originally Posted by cfoley
Yes, but it's also a common courtesy. Maybe the trick is in distinguishing between who is offended by the inconvenience and who is offended by leaving it out.
I'm not against courtesy but I've met people that send "You're welcome!" message after receiving "Thanks!" email! Too much courtesy can be painful.
TesTeq - Follow me on Twitter - BIZNES BEZ STRESU (blog in Polish)