In 2000, iPods hadn’t yet arrived, Tower Records was still the go-to music retailer, and no one could imagine the music industry phenomenon that would become "American Idol." Today, music writer Maura Johnston fills us in on how pop music responded to the major changes in technology (Youtube, iPods, MySpace) and the fragmenting tastes over the past decade.

Maura Johnston's 2000-2009: The Decade in Pop
Albums
1. Siobhan Donaghy, Ghosts
2. Fiona Apple, Extraordinary Machine
3. Robyn
4. Justin Timberlake, FutureSex/LoveSounds
5. Ne-Yo, Year Of The Gentleman
6. Tracey Thorn, Out Of The Woods
7. OutKast, Speakerboxx/The Love Below
8. Kelly Clarkson, All I Ever Wanted
9. Fall Out Boy, Folie A Deux
10. Franz Ferdinand, You Could Have It So Much Better

Singles
1. Justin Timberlake, "My Love"
2. Amerie, "1 Thing"
3. OutKast, "B.O.B."
4. R. Kelly, "Ignition (Remix)"
5. M.I.A., "Paper Planes"
6. Britney Spears, "Toxic"
7. Sugababes, "Freak Like Me"
8. Kelly Clarkson, "Walk Away"
9. Lloyd feat. Lil Wayne, "You"
10. Kylie Minogue, "Can't Get You Out Of My Head"

Top 5 singles that never got a proper release in the US:
1. JC Chasez, "Until Yesterday"
2. Freelance Hellraiser, "A Stroke Of Genie-Us"
3. Annie, "I Know Ur Girlfriend Hates Me"
4. Girls Aloud, "The Promise"
5. Brandy feat. Ne-Yo, "Decisions"