Focus Groups?

I am pretty sure that day to day interaction between clients and developers is the best way to develop useful, and remarkable products.

Here is what Jonathan Ive said

So how did the company decide what customers wanted – surely by using focus groups? “We don’t do focus groups,” he said firmly, explaining that they resulted in bland products designed not to offend anyone.

http://www.bbc.co.uk/blogs/technology/2009/07/listening_to_mr_iphone.html