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People who read reviews and still ask for more before doing something
(hilariouschaos.com)
Sometimes it's nice to discuss a common interest with other people. Reading reviews is one thing, but a discussion can lead to better experiences.
When it's people you know it's different. You've already calibrated your expectations for their taste and their recommendations. So if you have a conversation with somebody you know about a new place or a new thing, that gives you a lot more information than anonymous reviews online
And then there's just chatty people who want to talk online, they don't really care what they talk about as long as they can talk
Post your pet peeves. Things that get on your nerves or really annoy you in particular.