Performance

		Skill
▢	▢	Prefers database queries over in-memory data calculations
▢	▢	Prefers `.pluck` over `.map` when returning one or more columns as an array
▢	▢	Uses `.find_each` instead of `.map` or `.each` when looping through more than 1000 results
▢	▢	Hits external APIs in background worker unless there is a compelling reason to hit them synchronously
▢	▢	Paginates long lists