Card.io's technology will still be available for other developers to use in their own applications. The company's employees will join PayPal's global product team in San Jose. Card.io unveiled the technology in June 2011. The chatter on Main Street (a.k.a. Google, Yahoo! and other search sites) is always of interest to investors on Wall Street. Thus, each day, TheStreet compiles the stories that are trending on the Web, and highlights the news that could make stocks move.-- Written by Brittany Umar.