As a citizen of the web, you frequently enter repetitive information about yourself into forms. Every time you sign up for a new web site with your email address or username, enter in your shipping address, or type in your credit card information for purchases, you waste precious time typing out the same information. Manually typing this information every time is also error prone, which is why sites often ask you, for example, to retype your email address—which takes even more of your time. More »
