Why is this at the top of HN?
The answer is a combination of:
* somebody submitted it
* people upvoted it
* the algorithm weights new more than old
* lots of people have things to say about it, including recommendations for other tools, neat hacks, and observations on general utility
Not to mention posts like these.
https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...