a) Clifford Joseph Harris Jr., arguably the best rapper alive today. Is from Bankhead in Atlanta, and was arrested recently for "illegally" purchasing machine guns with silencers. His first five albums are I'm Serious (2001), Trap Muzik (2003), Urban Legend (2004), King (2006), and T.I. vs. T.I.P (2007).
b) T.I.P.'s alter ego
Texas Instruments, a company that has pretty much monopolized the scientific calculator market, and therefore can extort millions of students.
2. T.I.'s most well-known calculators include TI-30Xa, TI-83, TI-84 Plus, TI-89, TI-92