Edited text:
Today most keys are shared as copy-paste snippets on web pages (example: https://help.launchpad.net/Packaging/PPA#Adding%20a%20PPA%20to%20your%20Ubuntu%20repositories). The user needs to go through the extra steps to copy text, create a text file, paste in text and locate this text file as a root user on his/her hard drive to be able to add a new key.
Edited text:
Today most keys are shared as copy-paste snippets on web pages (example: https:/ /help.launchpad .net/Packaging/ PPA#Adding% 20a%20PPA% 20to%20your% 20Ubuntu% 20repositories). The user needs to go through the extra steps to copy text, create a text file, paste in text and locate this text file as a root user on his/her hard drive to be able to add a new key.