Original sentence: An alternate theory is that the original San Francisco burritos began in the fields of Central Valley farmworkers.The San Francisco-style burrito has been popularized by eateries like Moe's Southwest Grill, Chipotle Mexican Grill,  Illegal Pete's, Freebirds World Burrito, Qdoba, and Barberitos.The origins of the San Francisco burrito can be traced back to Mission District taquerias of the 1960s
Edited sentence: The San Francisco-style burrito has become immensely popular throughout the US, popularized by eateries like Moe's Southwest Grill, Chipotle Mexican Grill,  Illegal Pete's, Freebirds World Burrito, Qdoba, and Barberitos.The origins of the San Francisco burrito can be traced back to Mission District taquerias of the 1960s, however some assert that the original San Francisco burritos began in the fields of Central Valley farmworkers