Names and Faces
I work with many, many people even though I work from home. I have daily contact with co-workers as well as employees of contracted companies and of course clients. And I have never met the vast majority of these individuals. Through the use of chat, webinars, email, and of course the telephone... I can fulfill most of my responsibilities without ever leaving my house. There is a lot of grace in this arrangement. (Including working in my pajamas.) But I have to admit, it sure is nice to put a face with a name.
I got to meet some of my co-workers today at a team meeting. We already have a relationship, but it was great to actually be in the same room with them and to match up their physical presence with the personality I've already come to know. My level of respect for them rises as I come to understand them better... and that's a hard thing to do via email.