Hip-Hop "Beef" is essentially a long-forgotten art form/promotional exercise. Infamous beefs of the per-Internet Golden Boom-Bap Era (1980-90's) include: 2pac-Biggie , Nas-Jay-Z , "The Bridge Wars," LL Cool J-Kool Moe Dee , and "The Roxanne Saga." A carefully designed marketing tool, beef is usually kick-started when one rapper does/says something that the other doesn't exactly agree with. Beefs are usually all in good fun and most times, end in a truce... One exception however, is the tragic deaths of former friends, 2pac & Biggie . Recent Internet -based beefs have included: Kanye-50 Cent , Nicki Minaj-Lil Kim , [The] Game -everyone, Eminem-Canibus (Mariah Carey) . In what may very well be the first size-able Hip-Hop beef of 2012, Common released a diss track aimed @ Drake just yesterday afternoon. Common-Drake 's feud stems back to Nov. 2011 when Common released "Sweet." The third single from The Dreamer/The Believer n...