[haribilalic]

Where is here? The most common business messenger in my experience has been Office Communicator. It's everywhere that Exchange and Outlook are.

[jcromartie]

It seems to be really popular in Europe. Virtually every single European company I've worked with has communicated over Skype.

[moe]

Where is here?

Europe. "Do you have skype?" is mostly a rhetoric question around here when asked in a business context.

[gte910h]

Seems quite popular in Canadian business circles too.