Masjid Abdul Muhsi Khalifah is a Brooklyn, N.Y., mosque with a Facebook page where members discuss everything from World Cup Soccer to current events and religious issues.

Congregation Beth Elohim in Brooklyn, N.Y., has an active Facebook page. Rabbi Andy Bachman is its creator.

Berlin Masjid in Berlin, Conn., has a Facebook page that is administered by two college students and Sohaib Sultan, an Islamic college chaplain.

Stephen Shields is the founder of FaithMaps. He freelances for Leadership Network, where he wrote a guide (enter “social networking” in the Keywords field) to online social networks for churches.

Brian Anderson is a member of a house church in Sonora, Calif. He also runs a website, Great Commission House Churches.

Ken Cluck left traditional pastoral ministry to plant house churches. He runs a house church in Orofino, Idaho.

Frank Smith is the founder of Crushed Grapes Ministry, a church planting ministry that helps people start home churches. He lives in Vista, Calif.

Rick Horton is the lead pastor and elder of Matthew’s House, a network of Southern California house churches based in Oceanside, Calif.

Gayle Erwin publishes Servant Quarters, a newsletter and Web site that supports home churches. He is based in Cathedral City, Calif.