Alexa.com - Browse the category in Subjects

Alexa.com is the most famous ranking site in the world. It is owned by Amazon. I think that's enough for introduction. Here I wanted you see the number of sites given in each category. And you'll be getting the most authentic data on cyber space. Although, using " Search techniques,tips and tricks " using google you can grab good info. But the simplest and easiest way is to go to Alexa.com which provides you with the rankings it manages all over the internet. Browse
Arts (267,161) Business (238,691) Computers (119,321) Games (57,758) Health (63,011) Home (30,060) Kids and Teens (44,813) News (8,624)	Recreation (110,241) Reference (59,230) Regional (1,090,368) Science (103,505) Shopping (102,026) Society (244,871) Sports (104,099) World (1,680,125)

I have given enough of the ad blocking filter info. I will be giving something else now.
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Surf Internet without seeing any ' Advertisements '
( You can turn on Ads just like On Off switch, Try it )

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Minimal requirements -  Firefox 1.5 ( Other Open Source Browsers )
< http://adblockplus.org/en/installation >

Block ads in Internet Explorer - IE7Pro
< http://www.ie7pro.com >

Block ads in Safari - SafariBlock 2.1
< http://www.macupdate.com/info.php/id/19202  >