why lowercase letters save data | endtimes.dev

Lowercase letters and uppercase letters use the same amout of data — 1 byte each. So, it's surprising to learn that swapping uppercase letters for lowercase letters saves data. For example: I took the front page of Hacker News and rewrote the title of each article in sentence case instead of title case — reducing the size by 31 bytes. How can it be true that changing a few uppercase letters to low

[tybalt]

この視点はなかった。なるほど。