When I was growing up, my generation negotiated with our parents about the keys to the car, curfew, a telephone in our bedrooms and dating rules. Today's parents have to add technology. Although they may appear to be standard fare, cellphones are not an inalienable teen right. They are a communication tool that can make family contact easier but not without risks. Weigh the pros and cons of a cellphone before purchasing one for your child. Then establish clear boundaries up front.