Pimpthisbum.com.......

Another from freakonomics:

Does panhandling work better through the web? A Houston father and son team thinks so. They gave a homeless man named Timothy Dale Edwards a sign to hold while panhandling; it directed passersby to his website, PimpThisBum.com. In less than two months, the site has garnered $50,000 in pledges and donations. The project’s creators believe its success has to do with the sign’s humor and the faux-tactless domain name.

We’d like to suggest another reason: appeals for money encouraging credit card use are far more effective than appeals calling for cash, according to a recent study

(If you haven't the time to read it, it essentially demonstrates that people will pay more for a product or service with a credit card than when using cash...... )