820
HP raising Instant Ink subscription pricing significantly
(www.ghacks.net)
This is a most excellent place for technology news and articles.
Sadly, they are also evil now. Latest firmware (~2020) outright blocks third party cartridges or, even more evil, accepts them and then secretly and intentionally, prints like crap:
https://news.ycombinator.com/item?id=31860131
Everything until ~2019 is awesome, though. Just disable firmware updates.