The swarm was there to support local business, yet participants may get something in return, says Jennifer Baker, an assistant professor of philosophy at the College of Charleston in South Carolina.

Under the “virtue ethics” point of view, she says, if folks strive to continually do what they think is right, “It becomes second nature, and you end up with fewer worries and a better grasp on what is truly of value.”

http://www.usatoday.com/money/smallbusiness/story/2012-03-15/cash-mob-small-business/53554926/1