So, whens the last time you bought a CD? Had to think about it for minute, right? Don't be embarrassed. Most of us have all bootlegged, pirated and illegally downloaded an album at some point during the last 5 years. The reason is simple: retail albums general suck. Especially in the hop hop category, where artists are pursing the next ringtone banger instead of creating a cohesive long-player. Today, we'll take a look my favorite mixtapes that helped define 2010. These exclusive collections of uncleared samples, unedited skits and uncensored lyrics commonly known as "street albums'....