Welcome, goodbye.
Old-timers, new-timers.
Old old-timers.
Incan, HID, LED, LEP.
2000, 2007, 2009, 2020.
Sometimes life goes in circles, sometimes it goes up-up-up.
And where are we? Either in the middle, or at one of the ends.
Some consider CPF'rs eccentric, I think they are super.