"Nothing is as powerful as an idea whose time has come" says Victo Marie Hugo, a French writer. Internet in particular and IT enabled technology in general are such ideas which have affected mankind more than any other technology. I am sharing some of the websites I found useful. http://khanacademy.org/ This website has more than 1000 useful videos on maths, science and economics etc. It is very useful for XI - XII students and those who are preparing for engineering and medical entrance and even for higher classes. The internet and other modern tools have bridged the gap and now common people have easy access to the treasure of knowledge and information. We must encourage our youngsters and elders equally to utilize positively the resources available on net. Surfing net will not make difference but what you surf definitely will. Being a bibliophile, I love net because it gives access to a vast collection of books, magazines, journals, newspapers, videos and what not. In ...