useful

10 most useful inventions in 2010
The James Dyson award aims to recognize those who offer solutions to everyday problems around the world.
The inventions for people in 2008
In early November 2008, Time Magazine published 50 inventions of the year. Please introduce a part of those inventions.
15 useful web-based tools
When working on a computer, especially a lot of work in an internet environment, you will need free support tools on a multi-purpose web platform.