We’ll breakdown 2001, but you can relive all the Hot 100’s number one hits year by year: 80s:1980|1986 |1991|19921993 00s:2000|2001|2002| 2003 |2004|2005|2006200720082009 The year is 2001. A gallon of gas costs $1.46, Wikipedia launches, Apple releases the first iPod, andThe Fello...