In the world of specialized software, "newer" isn't always better. Version 2.1 is frequently sought after because:
The city did not become gentler at once. People still wanted to be seen, still wanted proof. But they also began to recognize the taste of private things when they encountered it: a certain hush, a reluctance to be streamed. They learned that memory, like the river, would choose between being a mirror or a memory; it could not be both without losing something essential. Uc 2.1 Shsoft
