knowing that we did it every day for everybody. >> reporter: bob woodruff, abc news, new york. >> we took this debate to our facebook page. we got striking responses. >> first of all, many are refusing to call the former sears tower by the new name, the willis tower. that's what its called guys, sorry. christopher writes, i don't care who bought the naming rights to the sears tower. it will always be the sears tower to me. that said, timothy writes, i'm six feet without shoes and a hat. does wearing high heels and a british wedding hat make me seven feet? >> by pamela, i think it should be determined by building and not needles in the air. >> those who voted for new york were unabashed. nancy says one world trade center just because it deserves to be the tallest. >> that's the problem in a lot of people's minds.