Questioning, as wise entrepreneurs know, often yields rewards. So great is humanity's hunger for questions that there now seems to be growing market in providing them. Entrepreneur Maura Cassidy's business, Go Ask Anyone, makes "conversation cards" with banter-building questions printed on them. Lately Cassidy has been approached by giant companies, including a lingerie chain and a greeting-card maker, interested in having her design custom decks for their customers. She also been asked about producing cards for dysfunctional families, blended families, and an X-rated version. The cards could help determined business builders focus on the questions that matter.