Battle of the Generations

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Across
  1. 1. 1979 disco classic
  2. 3. Business in the front, party in the back
  3. 7. "Spice up your life"
  4. 9. 6 second video
  5. 12. The first manned mission to land on the Moon
  6. 13. Vanilla, plain, and quintessentially unremarkable (M)
  7. 17. Gen Z version of contact me later
  8. 18. A millennial's handheld digital pet.
  9. 19. 2012 Olympic city
  10. 20. The fab four
Down
  1. 2. Remedy for an overreactor (X)
  2. 4. Gen X version of contact me later
  3. 5. The fine line between being a dedicated fan and a full-on stalker. (Z)
  4. 6. Lies(Z)
  5. 8. Perform amazingly, informally (M)
  6. 10. Portable music player (2000's)
  7. 11. False or imaginary (X)
  8. 13. Before streaming, people rented movies and games from this now-defunct chain.
  9. 14. Term for a relaxed, laid-back attitude or lifestyle (70s)
  10. 15. Time's person of the year 2023
  11. 16. Portable music player (80s)
  12. 21. Rock 'n' Roll King