Article on the PMI ProjectManagement.com Knowledge Base: Telecommuting Teams with Agile Projects

It may seem counter to the “rules” of agile, but distributed, telecommuting agile teams can be more effective than their colocated peers, and most of what you have to do to be successful are things you should already be doing.

The Agile Manifesto and Face-to-Face Communication

“The most efficient and effective method of conveying information to and within a development team is face-to-face conversation.”
– Agile Manifesto (Beck et al., 2001)

Face-to-face communication is typically described as communication without using some sort of technology to facilitate that communication. It is also how most people are more comfortable communicating complex ideas. It allows for a back-and-forth exchange of ideas and allows you to see the other person and read nonverbal cues. There is no questioning the effectiveness of face-to-face communication.

Read more at https://www.projectmanagement.com/articles/494009/Telecommuting-Teams-with-Agile-Projects