Nostalgic for 2000s on Instagram: "The 2000s were peak nostalgia fuel: flip phones that survived concrete drops, dial-up screeches like a robot in pain, and Disney Channel originals that turned every sleepover into a sing-along marathon. That’s So Raven predicted your future awkward moments, Lizzie McGuire made inner monologues cool, and High School Musical had you believing spontaneous cafeteria dance-offs were normal. Mixtapes burned on CDs, AIM away messages were your social media flex, and t