Here’s a question I received from a reader:

Can you recommend a good hard drive sweeper? I need to clean up my PC at work… been surfing the net a little too much.

Well yes. Yes I can…
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You see all those little links at the side of the page that say “Subscribe”? Well, those are made possible by a technology called RSS (Really Simple Syndication). They allow an automated program to quickly check a web site and present only what’s been updated since the last time you visited.
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