Captcha-22: When online security hurts sales

Feb 1, 2013
Ticketmaster is ditching those hard-to-read letters and numbers, called captchas, that users must decipher to make a purchase. It's switching to images, which are easier, faster and more secure.

Captchas help preserve old texts

Mar 29, 2011
When you go online and have to determine a captcha word, it's likely that word is from an old text that's been digitized. When old texts are digit...

Need some Econ 101?

Our new Marketplace Crash Course is here to help. Sign-up for free, learn at your own pace.