Zanzibar: Google’s Consistent, Global Authorization System. Zanzibar scales to trillions of access control lists (ACL) and millions of authN requests per second. Airbnb's Himeji and Ory/Keto are based on this.
PowerDNS is a DNS server program, written in C++ and licensed under the GPL. It was founded by Bert Hubert in 1999
Read one thought provoking article by Bert Hubert. Learned that Philips is a dutch company.
Learned the use of spoiler by watching a youtube video. HN link about how engines work put me in to this.
Math.round() in js round towards positive infinity. e.g.: -102.5 is -101 instead of -103.