web shopping

Keeping Your Credit Card Numbers Safe

With all the hackers in the headlines, you might be feeling more hesitant to offer up your credit card numbers while doing your online shopping. Virtual credit-card numbers, provided by many banks and credit-card issuers for free, can help. Here's how to use them -- and why you should still remain vigilant about checking your account if you do.

What's Missing From Google's Proposed Inflation Index

The search giant may use its vast database of Web-shopping data to construct a daily measure of inflation called the Google Price Index, or GPI. It can be calculated much quicker than the official CPI, but it covers only what can be sold on the Web.