> Graham said that, after thousands of founder presentations and pitches, he and the YC partners are now able to tell “within minutes” whether a startup will pass muster or not. This I find slightly worrying. It's amazing if it still works (and I've been wondering how YC was still able to scale), but is the minimum amount of information that needs to be exchanged between startup and YC in order to get a good assessme…
Called "thin-slicing", first read about it in "Blink" by Gladwell, which is based entirely on this concept, and has plenty of great examples of this phenomenon (The Wikipedia link below has some of them).
I think the human brain is the ultimate pattern-matching and learning machine, and when trained long enough develops an ability to discern patterns from the faintest and narrowest of signals.