Worth checking...
http://www.ptc.com/internet-of-things/harvard-business-review/download-article-2?utm_source=twitter.com%20paid&utm_medium=social&utm_campaign=CB%20EN%20HBR%202&utm_content=CB_EN_HBR_2-twitter.com_paid-social-HBR2_downloadpage-WW-1548&cl1=CB_EN_HBR_2-twitter.com_paid-social-HBR2_downloadpage-WW-1548&cmsrc=twitter.com%20paid&cid=701F0000000xMyeIAE&elqCampaignId=1331