It seems that porn business pushed technology for e-payments and data storage/transfer: http://www.enterprisefeatures.com/2011/06/ten-indispensable-technologie

It seems that porn business pushed technology for e-payments and data storage/transfer: http://www.enterprisefeatures.com/2011/06/ten-indispensable-technologies-built-by-the-pornography-industry/ http://www.enterprisefeatures.com/2011/06/ten-indispensable-... I have no idea if now they are frontiers of innovation.