Previously, mobile phones have helped us satisfy our need to communicate. Now, however, they are beginning to satisfy the need to engage in commerce by providing a convenient means of exchange. Smartphones are becoming a tool to accomplish what has previously required the use of cash, checks or credit cards. Unlike a piece of plastic [...] Credit Cards, An Endangered Species originally appeared in the Daily Reckoning . The Daily Reckoning, published by Agora Financial provides over 400,000 global readers economic news, market analysis, and contrarian investment ideas. Recently Agora Financial released a video titled " What Causes Gas Price to Increase? ".