In context: The Transport Layer Security (TLS) protocol is widely used to secure and encrypt internet communications, encompassing emails, instant messaging platforms, VoIP, and HTTPS web traffic.

Growing up using a PC that ran on Windows 3.1, I don't think it ever occurred to me that there was a Windows 2.1. Or 1.0. That was just Windows, until Windows 95 came around a few years later. But ...