Taco Bell partnered with Doritos to launch a new product Doritos Locos Tacos – a hard shelled taco made of Nacho Cheese Doritos Chips. Taco Bell determined that “80-90% of Taco Bell-related conversations were taking place on Twitter” they used this information to plan and develop their pre-launch campaign.  In February 2012 the Taco Bell pre-launch Twitter campaign began.  The pre-launch… Read more »