In this video series about CAPTCHAs,a piece for internet sites that is used to prevent multiple,automated types of spam by issuing distorted images and text that can only be solved by humans, Scott will be giving you an introduction to the CAPTCHA control, how to actually add the CAPTCHA server control to your website, and discuss two different web services that provide captchas, reCAPTCHA and a captcha that uses httphandlers.Highlights from this video series:About the nature of CAPTCHAsGetting started with reCAPTCHAWorking with the reCAPTCHA assembly and controlPublic Key and Private Key : essentials for a successful captcha