Poll of the Week: How many computers are in your household?

Tip of the Week: How to Improve Vista's Performance

Windows 7, by all accounts, is one way to improve the performance of a Windows Vista system, but the expense may not be an option just yet.

If you have a Windows Vista system and want to see if you can improve the overall performance, check out this very informative video from the folks at PCWorld.com!

Headwhack of the Week: I'm out of gift ideas!!!

If you are trying to find a gift for that 'hard to buy for' techy, geek or nerd in your life or don't have the funds to get the real expensive stuff they all want, you are in luck!

Techs, geeks and nerds love stupid little gifts that they know their friends won't have and now you can find a mountain of items under $30 that will not likely be anything they currently have at the aptly named Stupid.com!

Geek Speak of the Week: Lurker

Anyone who follows or partakes in something without actually contributing or participating (online gaming, social media or even cocktail parties). Facebook and Twitter has spawned millions of subconscious lurkers, which some consider to be a notch below a stalker!

Security: McAfee uncovers riskiest domains

You may want to think twice if you hit a site with a .cm extension. That belongs to Cameroon, pegged by McAfee as the world's riskiest domain (see the rest and the safest here.)

News: Nationwide balloon-hunt contest tests online networking

On Saturday, thousands of people nationwide will search the skies in a high-tech scavenger hunt designed to test how far-flung groups can use the Internet and technology to work together.

The DARPA Network Challenge calls on groups to pinpoint the locations of 10 red weather balloons scattered around the country -- with a $40,000 prize going to the first team to find them all.

News: Why a $100 Cartridge Can Be Cheaper than a $50 Cartridge

Forget about ink volume and cartridge prices. Focusing on a printer's cost per page will give you a much better idea of its running costs.

Data Doctors Video on Cnn.com: Wifi Safety in Public Places

While we continue to work our way through the technical processes to our new CNN.com video segments, we offer up this past segment on ways to stay safe when using public wifi!

Opinion:  In Defense of the Grinch

John C. Dvorak of PCMag.com offers up this advice: "Want to avoid the herds and high prices this holiday? Celebrate Christmas in January."

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Weekly Advice Column: Beware online coupon scams  

Lot's of scams have risen to reflect the popularity of coupons both in the physical world and online including those that claim that you can make 'big money' selling and clipping coupons.

Here are some easy to spot 'red flags' for questionable coupon offers.

This Week's Show: Online Coupons; Savings & Scams

By all measures, the growth in coupon redemption in 2009 is significantly higher than in 2008. The fact that 'everyone loves a deal' combined with the economic climate has created a huge influx in the distribution and redemption of coupons.

The Internet is the ultimate coupon book that provides potential savings on virtually anything that you may want to purchase.

But 'where there is honey, there are flies!' and the Internet coupon world is no exception.

Listen in as the Data Doctors discuss ways to spot questionable coupon websites & offers and where the most popular sites on the Internet for saving $$$ are!

Join us Saturdays from 12:00PM-2:00PM (Mountain) on News 92.3 KTAR or listen LIVE via the Internet at KTAR.com  as we discuss your computer questions at: 602.277.5827 or ask your questions during (or before) the broadcast using the ask a question page.

Previous Show: Check out all the links from Preparing for Cyber Monday (or Tue, Wed, etc.)

Questions or Comments? Submit them online at datadoctors.com.