A great feature about a smartphone is that its functionality can be massively expanded by installing apps, allowing you to build a device with a personalized feature set over time. (techradar.com)
Having identified several promising polymer materials, the group focused for much of the remainder of the 1990s on the nuts and bolts of building devices for specific applications. (scientificamerican.com)
It should cost around $ 100 USD which is crazy for such a well built device. (mobilegeeks.com)