You’ve probably planned a vacation and had a bunch of notes you never used again.
Your friends might find them useful. Chris Hutchins (from the “All the Hacks” podcast) was on Deep Dive with Ali Abdaal and says that if he hears that a friend is going on a trip to somewhere he’s been to, he’ll send them the notes from his own trip there. They’ll probably find something useful in there.
Even if it’s a lot of the same things you’d find browsing Yelp and TripAdvisor and Reddit, you’ve already spent the time curating the list and checking some of the things out in person.
Then there’s the personal filtering that happens when you’re sending your own notes. You’ll probably have a sense of their preferences e.g. “Hey they really liked the noodles here and I know they’re picky about noodles…”