Thanks for the vouch! The rest of the article was indeed good but I find a lot of value in hacker news comments precisely because someone comes back to the comments and lays out why what I just read might need a different perspective. If you just want to see cool stuff that a browser can technically do, we are all capable of reading the Chrome dev blog, but we come to HN for a wider perspective. Someone telling a war story about how some little tidbit came back to bite them is also valuable (imo).