1. Try www.searchme.com It's a web site that searches information, videos, music, images, and news. When you choose the category, it will bring up pages that relate to your seach and you can just scroll through them.

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You can scoll through the pages that are displayed or you can click on any of them to bring them up.

2. http://file2.ws will convert most files into web pages and gives you a web address (URL) for them. It supports documents, audio, and video.

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And if you've never tried "Twitter", check this out.





3.
a) Here's a site to help you with editing your wiki.
http://www.youtube.com/watch?v=ZdT_XzkmPss&feature=PlayList&p=38298278A9DC5E2D&playnext=1&playnext_from=PL&index=6

b) Here's a site to help you with wiki navigation.
http://www.youtube.com/watch?v=bgawkNZyBHI

c) Here's a site to help you improve your wiki.
http://gettingtrickywithwikis.wikispaces.com/