A decade ago, before most artists fully understood the power of branding and DIY promotion, Raymond Ayala, better-known as Daddy Yankee, took charge of his career as a reggaeton artist. He created his own label -- El Cartel -- and started to release singles and albums on his own, including 2004's ground-breaking Barrio Fino, which went on to sell 1.1 million copies in the United States, according to N
