closed operation systems

See the following -

They're Killing The PC

Steven J. Vaughan-Nichols | ZDNet | November 15, 2013

First things first. Yes, PC sales are dismal. They're not coming back. It's not just because we love our tablets and smartphones. It's also because almost all the vendors are pushing us away from the PC model to sealed, cloud-based appliances as fast as they can. Read More »