Most wikis maintain revision history for every web page in the system so you can easily visually compare changes between any two versions of the same page side-by-side. For instance, this colored edit log from Wikipedia shows how the page for Bush...
If you are looking for a desktop based RSS reader that has more features than your current online reader and won’t die even if the "cloud" goes down, FeedDemon is a great choice.
Science fiction meets reality. Pranav Mistry from the MIT Media Lab has developed a wearable internet-connected computer that can turn virtually any physical surface (like the wall, your hand or even a book in your hand) into a Microsoft Surface like...
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