Read the post from the blog gidget loves gadgets. guys, you know me. you know that there isn’t a device that i can resist. new technology! yippee! bring it on. but when i heard that they are soon going to bring cell-phone service to the subway tunnels i gasped. (okay, maybe it wasn’t a gasp, but it sure was a sigh! ) are you really going to unleash at least twenty-five cell-phone calls in a crowded train at rush hour? why can’t people just make their calls on the subway platform before they get on the train? this is one case where we can ask, “just because we can do it, does it really need to be done? ” which best describes the purpose of this blog post? to instruct to entertain to persuade to advertise