From Home Depot’s website:
Earth Day 1 Million CFL Light Bulb Giveaway
The Home Depot will be giving away 1 million CFL bulbs in support of our environment on Earth Day 2009. Receive a free EcoSmart 14w CFL bulb from participating The Home Depot stores on April 19, 2009. Quantities may vary by store. Limit one per customer while quantities last. No purchase necessary. Offer cannot be combined with any other promotional offer or discount. No credit if offer refused.