I'm now online at Skype with my nick and the suffix of Borland. If you figure out what it is, your prize is getting to chat with me. Ha ha. ;o)
This is in preparation for The 24 hours of Delphi event.
What do you guys want me to talk about?
In 2017, with the release of Delphi 10.2 Tokyo, Embarcadero introduced a specialized implementation of the Observer pattern into the System.Classes unit. While it has been in the wild for 9 years, it remains a "hidden" architecture for many, primarily because it serves as the invisible engine behind LiveBindings. Other than live bindings, you can also use the Observer pattern as a way to update component settings to the Windows registry, an .ini file, or persist it elsewhere.
System.Classes