While there has been flirts with dual screen designs in hardware in the past, where the most famous of those would no doubt be the Nintendo DS and all of its subsequent iterations, this does not mean that the smartphone should also miss out on dual display goodness, although one would also need to take into consideration the battery life of the device in the long run. Word has it that Samsung’s Project Valley would be one that might see the introduction of a dual screen smartphone that is also foldable.
Inventors are encouraged to patent their inventions so that their creations and technologies can not be used by anyone else without their permission. There’s also the school of thought which believes that patents get in the way of innovation since companies have to worry about not infringing on patents. Many car manufacturers are working on all electric cars and most of them have patented their technologies, but a radical shift is needed in strategy to advance development and mass adoption of electric cars and for that purpose Ford has decided to open up some of its patents.