Yeah, I don't have a data plan. I look for free WIFI if I need internet.
Not to say that this doesn't work for you, but having a data plan is completely different. Being able to count on the fact that, most of the time, you're able to pull your device out of your pocket and access the internet, whether it's for email, maps, or looking something up is extremely valuable.It may not be worth the cost for some people, but I will say that before I got my iPhone there were many times where my strategy of "open laptop and see if there's free wifi" failed to work, and occasionally involved driving to the nearest McDonald's trying to pick up their wifi from my car. Not fun.