Apple was a sponsor of NPR in FY 2008 and 2009, and 2010.
I suspect they continue to be one.
Money is the best explanation for the PR push behind your email.
http://www.npr.org/about/aboutnpr/annualreports/NPR_AnnualRe...
http://www.npr.org/about/aboutnpr/annualreports/2009_NPRAnnu...
http://www.npr.org/about/aboutnpr/annualreports/NPRSponsorsD...