Apple, Gooogle & Facebook play an important role in shaping the web. Facebook with its more than 600 million members shapes the social media landscape. Google is the largest search engine & any changes it makes has a great effect on the web. Google is like a gateway to the web. Both these shape the online advertising & has huge impact on it. Apple is the market leader in ipod, iphone, ipad & macs. Apple is introducing many revolutionary products & shaping how we access the web. There are other companies like amazon, twitter, ebay & others which also influence how we use the web.