Talk about a Throwback Thursday memory.  It was 15 years ago today, on January 30, 1999 when '...Baby, One More Time', the song that introduced the world to a then 18-year old Britney Spears, hit #1 on the Billboard Hot 100 singles chart.  Sonically, it revolutionized pop music in the late 90's, paving the way for many copycats and solidifying Britney as the industry's new 'Pop Princess'.  But what would '...Baby, One More Time' be without its iconic, groundbreaking music video (Britney's vision entirely, by the way)?  When was the last time you marveled at its excellence? Go ahead indulge yourself.