It's funny you should mention Nielsen, I did a bit of digging and found these very familiar-looking installation instructions: http://www.arbitron.com/research/

It's funny you should mention Nielsen, I did a bit of digging and found these very familiar-looking installation instructions: http://www.arbitron.com/research/installhelp/install_ios9_en.pdf http://www.arbitron.com/research/installhelp/install_ios9_en...