Do you or your company have a web site? Try http://www.whois.sc. This site gives some amazing statistics, including in some cases how many other sites are hosted on your same web server (if you're in a shared hosting environment).

The site http://www.cellforcash.com pays cash for certain used cell phones. Alternatively, http://www.collectivegood.com allows you to recycle your spare phone or donate it charity.

If you receive an e-mail saying "please forward this to everyone you know", it's most likely a hoax. These take all forms...threatened funding to government-subsidized entities (NPR is a frequent target), missing children alerts, scare e-mails warning of thieves that want your kidneys or other bodily organs, etc. Before you click the forward button and perpetuate the hoax, make sure it's not listed at http://hoaxbusters.ciac.org

Moving soon? You can file your change of address with the US Postal Service online at https://moversguide.usps.com.

You can often look up a corresponding street address by entering a telephone number in Google. If the telephone number is found, you'll also have the option to view a map of the address.

Starting a new business? You can apply for your Tax ID, otherwise known as an Employer ID number, online at http://www.irs.gov/smallbiz. Click the link for Employer ID Numbers (EIN).

Tired of telemarketers? Fight back by signing up for the free do not call list offered by the Federal Trade Commission at http://www.donotcall.gov.

The Direct Marketing Association offers two ways to reduce the amount of junk mail that appears in your mailbox at home. You can pay $5.00 to register for the "do not mail" list online, or send a paper request for free. Learn more at www.acctadv.com/go.mv?id=junkmail.

The Links toolbar in Internet Explorer can be customized to give you one click access to frequently visited sites. First, if you don't see the links toolbar, click on the File menu in Internet Explorer. Make sure that Lock the Toolbars is not checked, and that Links is checked. Right-click on any existing links on the toolbar and choose Delete to remove them. Then, as you surf to your favorite sites, drag the "e" icon from the Address bar onto the Links toolbar. Right-click on the new link and choose Rename to assign a shorter name if necessary. This gives you access to favorite sites without having to navigate to the Favorites menu.

Microsoft is frequently issuing updates to plug security flaws that are being discovered regularly these days. Protect yourself from the new breed of viruses, such as Blaster and Sobig, by visiting www.windowsupdate.com and installing the Critical Updates.