[Hoffer Rand]

, and the fact that CFL bulbs were often put in disadvantageous locations like bathrooms or recessed lighting.

You also can't use them in ceiling fans, because of the vibration. Knocks their life down to under a year.

[MrB]

Also, you get this really strange effect with a ceiling fan...

The CFL actually “blinks” at 60 hz, not that you can usually see this,

but combine this with a ceiling fan, especially a white bladed one, and the strobe effect is dizzying.