Taco Bell just used live streaming service Periscope to announce to thousands of hungry viewers that they will be celebrating Cinco De Mayo by giving away completely free Biscuit Tacos for four hours. One of the largest Periscope viewings I've ever witnessed:
The information we got from the live announcement mentions that between the hours of 7am - 11am on May 5th, 2015, Taco Bell goers can get an absolutely free biscuit taco in either a sausage or bacon variety. That's 4 hours of free tacos (assuming you have to leave and come back in a different outfit).
I still don't know how I feel about their corny-ass "Breakfast Defector" campaign, but I can respect the hustle of free tacos: