Apple, Facebook, Twitter & Google are the 4 companies which are shaping the internet. Google, the search monster, is shaping how people are searching & is like the gateway to the internet. Facebook with more than 600 million members is influencing every nook & corner of the internet. More companies are shifting their online advertising to Facebook. Twitter is providing real time updates about the happenings in the world. People are sharing & retweeting the news, events & others. Apple has introduced iphone & ipad. This is shaping new ways of browsing the web. Most of the news in any tech sites is about Apple.