While I dont mind the foot print idea and I think its a great way to pay tribute to the actual towers. I think it has some flaws. Since there is now just a giant hole there there going to be measured out and placed "aesthestically". I wouldnt doubt they would even be moved a little to be able to place another building in there. If they are moved you know how people will freak out these days. I think if they do the footprints they should be very very carefull in there planning or just skip the idea all together and come up with another memorial. I think we should be paying memorial to the people, the buildings will be replaced.