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Smart bulbs like this:
Have PCBs with small LEDs surface mounted to them. This means that the on-off cycle of the bulb causes heat deformation cycles of the PCB. This stresses the foils in the PCB and can eventually cause them to lose connection. That’s one of the reasons why they’ll often start flickering or lose the ability to be cool white, warm white, or specific colors (the different kinds of LEDs in them).
But bulbs like this (often called smart edison bulbs):
Use longer/larger LEDs that aren’t mounted to the PCBs, and will probably last much longer. They are better at not overheating their own electronics.
If you want the first kind to last longer, don’t run them above ~60% brightness.
Are you sure? Doesn't the "smart edison bulb" design make it harder to dissipate heat to the casing, therefore making the LEDs get hotter compared to PCBs with LEDs surface mounted on them?
Anyway, if you want your ~~light bulbs~~any technology to last long, don't buy the "smart" variant. "Smart" usually means more components and/or more dependencies on interfaces, and more complexity, so a higher chance to fail.
Technology Connections seems to think they’re better and last longer, and I trust him implicitly.