well, did you go to church on sunday? if you did, were you on your phone during the service? >> i was. you can download the bible as an application. you can take notes. and they're fine with that. you can do a little flashlight if you want. or a candle. >> you can do it all. >> most churches would say that's a big no-no. but at least one is embracing it, going as far as to encourage parishioners to tweet during the sermon. nadia crowe from kcrg in cedar rapids tells us why. ♪ >> reporter: sunday morning services started the same way it normally does, with "joyful noise." but a projector of twitter pulled up changed the way people's church unitarian universal's tom kaplan gave his sermon. >> i believe we need to be able to reach out to people outside these walls. >> reporter: so to the internet went his message. a new initiative member aaron sailor helped spread by using his fingers to tweet kaplan's words. >> i'm not going to be trying to get every word he says into the