Ubers squad of private drivers typically use their cars to transport humans. But tomorrow, in 10 US cities including New York, Boston, Chicago, Los Angeles, and San Francisco, theyll be delivering Christmas trees on demand. Ubers latest unusual promotion is being made possible through a partnership with The Home Depot. If youre willing to pay $135 for a Christmas tree between 7 and 8 feet tall, the company will deliver it to your doorstop.