Dupe (217 points, 3 days ago, 252 comments) https://news.ycombinator.com/item?id=42392088

Thanks. Weird, I searched it on HN before posting and didn't find anything.

The author has changed the URL (accent-guesser -> accent-oracle) and renamed the feature, so you basically had no chance unless you noticed it looked the same as the last submission (plus the old URL forwards).