<human>:  What are some popular songs from the 2000s?
<bot>: Some popular songs from the 2000s include: "Yeah!" by Usher, "Umbrella" by Rihanna, "Drop It Like It's Hot" by Snoop Dogg, "Hollaback Girl" by Gwen Stefani, "Crazy in Love" by Beyoncé, "Hey Ya!" by Outkast, "In the End" by Linkin Park, "Bad Day" by Daniel Powter, "Beautiful Day" by U2 and "Crazy" by Gnarls Barkley.