Chad Hurley - Wikipedia, the free encyclopedia
When he was about to graduate, Hurley heard of then-new company PayPal, that at the time was dedicated to enabling PDA users to send money among themselves.
Security token - Wikipedia, the free encyclopedia
Cell phones and PDAs can also serve as security tokens with proper programming. ... Two Factor Authentication Credentials, verisign.com (retrieved 15 Aug 2008) ^ PayPal Security ...

