We're having ADT install a home security system in our house on Tuesday. Has anyone had a home security system installed? How much information do they give you that day? H will be home during the installation, but I was wondering if I should take the day off too. If the technician doing the installation is going to give an extensive overview of the whole thing, I'm thinking I'd want to be there. But if he's just going to hand us a booklet with info, I don't want to waste a vacation day. Any thoughts? WWYD?