I think that if we talk about POPULARITY, U2 are more popular than ever. 8 grammy nominations and an appearance at the super bowl!!!! How can you be more popular? They also have the biggest number of fans around the world. They keep their fans over the years and get more albums after albums. You cannot beleive how many poeple telling me that they discovered U2 with ATYCLB. I'm not even talking about their tour WOW. It's the biggest year so far for U2....let me tell you