Bon Voyage Rob

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Across
  1. 4. Someone who collects stamps—the passport kind, not the post office kind (9)
  2. 6. A series of steps, or what a computer does to cheese? (7)
  3. 9. Someone who doesn't know the meaning of "quitting time" (4,6)
  4. 10. A town in Berkshire, or what you’re doing to these clues right now (7)
  5. 11. The art of getting what we need without breaking the bank (11)
  6. 12. Is it a toggle? No, it’s the smart way to heat the home (8)
  7. 13. A series of links that shouldn't be broken, from source to shelf (6,5)
  8. 14. A self-evident truth, or just a really "principled" partner (5)
  9. 15. Sounds like a coffee pro, but they’re actually tech-networking royalty (6)
  10. 16. A fine tea set, or the massive neighbor where the making happens (5)
  11. 17. Full of ideas, or just someone who remembers your birthday (10)
  12. 24. Two wheels, one Lycra-clad hobby (7)
  13. 25. What the stork and the courier have in common (8)
  14. 28. A big smoke where the clock towers tall (6)
Down
  1. 1. To err is human, but in QC, we just call them these (6)
  2. 2. Feeling for others; it’s a "passion" that’s "com"-pletely heartfelt (13)
  3. 3. Weather-man's hobby or a supply chain's crystal ball (11)
  4. 4. A loud peak? No, just our explosive partners in assembly (3,4)
  5. 5. Taking a long walk to find a view (and maybe a blister) (6)
  6. 7. Large boxes on large boats (9)
  7. 8. Turning raw bits into big hits; the art of making stuff (13)
  8. 18. The three letters that tell us if we’re winning our goals (3)
  9. 19. From the cradle to the grave, or just a very long bike ride? (4,5)
  10. 20. To give way on the road, or the percentage of "good ones" left at the end (5)
  11. 21. Sounds like a cheering exclamation, but they’re actually our LCD experts (5)
  12. 22. A type of something, or just being a lovely human (4)
  13. 23. A maritime navigator? No, the group keeping our electronics on course (7)
  14. 26. Breaking it down to build it up; what Freud and data scientists share (8)
  15. 27. Digging past the leaves to find why the plant died (4,5)