Sean Portnoy is a freelance technology journalist; currently, all work that Sean does is on a contractural basis. Sean has also written corporate communications documents for CA.
Sean does not accept gifts from companies he covers. All hardware products he writes about are purchased with his own funds or are review units covered under formal loan agreements and are returned after the review is complete.
Article source: http://www.zdnet.com/blog/computers/charging-your-ipad-only-sets-you-back-136-in-yearly-electricity-costs/8365