Building great content is one of the foundations for building your online presence. More content creates linking opportunities; more links will improve your search engine rankings.

Here’s 7 sites that are easy to set up, easy to use and best of all, the search engines play nice with them:

1. Google Knol.

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   (short for knowledge) Create a bio and simply share your knowledge. About anything. This a great place to create an expanded profile and link to your sites.

2. Live Journal. This is one of the Internet’s original blogging/journal sites (dating back to 1999) Simple control features, nice templates to customize your appearance and its social networking features make this is a long-standing favorite.  Originally created by Brad Fitzpatrick.
3. Ning. Ning is the most expansive on the list as its actually a community platform – you can easily design and create your own social network using Ning’s template driven platform. Netscape founder Marc Andreesen started Ning to let users create their own networks based around specific interests.
4. Squidoo. This is a fun, easy to use, interactive set of pages called lenses.  Squidoo gets a lot of traffic and plenty of features for users to enjoy: RSS feeds, images, videos, links  – plus you can even earn $$ for your content and/or contribute to charity. Another great contribution from Seth Godin.
5. Tumblr. One of my personal favorites. David Karp whipped up this micro-blogging platform in 2007. Use the stock designs or add your own custom themes; use it for blogging, pics, videos, links and audio files. Follow others & people can follow your tumbleblog to build your own community.
6. PitchEngine. Perfect for your press release content.  Created by Jason Kintzler as a new school method of publishing Social Media Releases. (press releases on steroids.) Add links, tags, images and videos to build a powerful press release.
7. PollDaddy. High Anxiety film Supercross rip Not necessarily creating new content, rather, letting the new content come to you in the form of online polls. Great for feedback and learning more about – well, anything. Especially useful for creating new content based on poll results.

Not using any of these? Make your own 7 day challenge and you’ll have a whole new level of content sites created within a week.

What are some of your favorite sites?