Learn CSS Positioning in Ten Steps

This tutorial examines the different layout properties available in CSS: position:static, position:relative, position:absolute, and float.

http://www.barelyfitz.com/screencast/html-training/css/positioning/

174 Web 2.0 Sites in 41 Categories

http://www.seomoz.org/web2.0#cat_92

A must for many professionals

http://www.linkedin.com/

Renting easier for landlords and tenants

http://www.rentomatic.com/welcome

Find out what the houses

http://www.zillow.com/

The shopping network for the chic and stylish

http://www.stylehive.com/

Etsy's handmade products include art,

http://www.etsy.com/

Designing of the products and in the community

http://www.threadless.com/

Become popular on social news sites

http://www.50matches.com/

Get search results that you can really trust.

http://www.rollyo.com/

Twitter for your keywords and phrases.

http://tweetscan.com/

Facebook attempts to bring all the features

http://www.facebook.com/

Microblog your day, keep up with your friends

http://www.twitter.com/

Social Networking Mainstays

http://www.bebo.com/

social news site for articles

http://www.plugim.com/

NowPublic is a news site

http://www.nowpublic.com/

Social News - Smaller and Niche Sites

http://sphinn.com/

Find political stories, amusing pictures

http://www.reddit.com/

Submit your stories to Digg's massive

http://www.digg.com/

Save your favorite web content

http://del.icio.us/

Social network for golfers

http://www.oobgolf.com/

Manage your sports team

http://www.teamsnap.com/

Track your health and fitness regime

http://istats.com.au/

Pageflakes lets you check your email

http://www.pageflakes.com/

Start page with the RSS feeds

http://www.netvibes.com/

Necessary for planning travel, such as reviews

http://www.boo.com/

Search for flights, hotels, cars, cruises and travel deals

http://www.kayak.com/

Book airline tickets online and provides

http://www.farecast.com/

The world's largest collections of online videos,

http://youtube.com/

Watch, upload and rate online videos.

http://www.metacafe.com/

Online footage of BBC television programmes

http://www.bbc.co.uk/iplayer

Awarded site visual arts

http://www.visualcomplexity.com/vc/

people share reports of charts

http://www.swivel.com/

free online tool for color matching

http://colorblender.com/

jQuery is a new kind of JavaScript Library.

http://jquery.com/

Get Started with YUI 2 or YUI 3

http://developer.yahoo.com/yui/

powerful composition tool to aggregate, manipulate, and mashup

http://pipes.yahoo.com/pipes/

Your Content. Everywhere.

http://www.clearspring.com/

Get The Award Winning Social Web Browser!

http://www.flock.com/

widgets for your blog, website, startpage, and desktop!

http://www.yourminis.com/

Picnik is even better for photo edit

http://www.picnik.com/