Ever since I started in the industry people would long for the good old days of: Delphi, Visual Basic, Windows Forms, Flash
Technology that were taken for granted but are now appreciated:
PHP, Java, Static Typing,
What technology that are currently hot will people look back with shudders 5 years from now?
Internet connected apps. Most of the installed app on my smartphone are useless if not connected to the internet, even though the device's storage, processor, RAM is perfectly capable of handling the data, and processing it, sometimes better than the server it is connected to.
Why do I have to sign up to use a guitar tuner?
Why the mandatory updates, when if you don't update you're app is useless.
On my PC, I can run a 20 year old program just fine