Our weekly small-group Bible study has been over for nearly an hour. The last of the lingerers has just pulled out of the driveway to head home. I'm picking up the popcorn bowls and coffee cups. My wife is already logging onto the computer, preparing to send quick e-mail messages to several of the young women she has just been talking to.

E-mailing someone she has just spent an evening with may seem odd, but for the young married couples in our small group, it's a vital connection. Some of them will be eager to get home, not to go to sleep, but to log on and see what Karen has sent to their inbox.

Friday morning, I'll be at the computer myself, sending a longer e-mail to a young man who asked a complicated doctrinal question during the evening's discussion, a question that would have derailed the whole study if we had tried to explore it fully at the time. But the next day I can compose a well-thought-out explanation and include links to Scripture references or other online resources for ...