9. Conclusion and outlook

Companies' increasingly porous social digital environment is now integrating new customer usages into their innovation and development processes for new services and products. And these customers, consumers, are also intervening and providing their opinions on the Internet, thus showing a facet of the company's products. Whether positive or negative, these opinions help to raise the profile of a product or brand.

Collaborative group purchasing methods have been widely developed and have led to the emergence of crowdfunding such as Kisskissbank and Ulule. Financing, uses, inventions and designs are collaborative, with manufacturing by subscription or 3D printers. And these products will follow their life cycle and resale on dedicated sites, creating a vast global yard sale.

Product design methods are being profoundly changed by the integration...