"Penn & Teller are again donating two tickets to their show at the Rio to anyone who donates blood, from now until Jan. 1. Last year, $400,000 worth of ticket vouchers were distributed by the duo. Potential blood donors should call 233-9620 for appointments. For questions about eligibility, call 228-4483. ..."
from the Las Vegas Review Journal. Norm Vegas Confidential column, Dec. 18.