Pick one of: 1) Nobody has ever brought the problem up before. 2) It's a tricky problem to solve. 3) Mobile usage is a niche fad which will go away if left a

Pick one of: 1) Nobody has ever brought the problem up before. 2) It's a tricky problem to solve. 3) Mobile usage is a niche fad which will go away if left alone so no point addressing it.