He's what Marc Prensky calls a "digital native". For him, the world has always included tablet computers, on-demand television, and the Internet.
This method has an advantage even for Linux or Mac computers, as these routers are very energy-efficient: you can leave them on while you're gone, leaving the computer off; then start the computer on-demand using WOL (wake-on-lan).
Their implementation in computer grids is providing computing-on-demand cloud-based resources that can be managed externally, enabling researchers to focus their attention on the development and use of mathematical and computational tools.
(See the exhibit "The New Brokers of Work"). Much as "cloud computing" services offer on-demand access to computer capacity and storage space, these firms offer "crowd computing"—on-demand access to large groups of appropriately specialized workers.
Art is increasingly consumed in isolation – through earplugs, on the computer, on demand.
Redbox's streaming service, Redbox Instant, allows registered users to view movies on their computer on demand.
Commercial cloud services can play an attractive role in scientific discovery because they provide computer power on demand over the internet, instead of several commodity computers connected by a fast network.
It's the long-awaited rollup of TV or the computer, where on demand entertainment can be watched on the big screen under computer control.
Grid & Cloud computing are the biggest trends that make use of readymade computer resources on demand.
Time-sharing must guard against interference between users' programs, and most systems use virtual memory, in which the memory, or "address space," used by a program may reside in secondary memory (such as on a magnetic hard disk drive) when not in immediate use, to be swapped back to occupy the faster main computer memory on demand.
