It is wild to think that enabling HTTPS used to be difficult and expensive before Let's Encrypt came along in the wake of the Snowden revelations.
Remember Firesheep? It used to be the normal thing to use plain HTTP over open wifi networks. Literally anyone else on that access point could read your whole network session, cookies and all. https://en.wikipedia.org/wiki/Firesheep
Before reading this I never considered Snowden could have been a motivator for Let’s Encrypt.
how are snowden and LE related?
Remember Firesheep? It used to be the normal thing to use plain HTTP over open wifi networks. Literally anyone else on that access point could read your whole network session, cookies and all. https://en.wikipedia.org/wiki/Firesheep