"Now you don't have to travel as a pilgrim to a holy place to sense power is accessible -- you don't even have to turn on your computer, it's already on," he said. "All you do is take a few minutes and visit a couple of Web sites and you can get an answering service."
Though he concedes it's "less communal and personal" than old-time religion, Gregg says the dynamics have not changed.
"It's an updated virtual revival tent," he said of Global Media's online effort. "A preacher comes in for two nights and stirs folks up and then the people on his team sit down with those called to Jesus and help get them to church."
But, according to Gregg, the questions about God have always been the same: "Are you out there? Do you know my name? Do you care about me?"
ABC's Andrea Alarcon contributed to this report.