A few more tips:
After dragging the hair on the figure and selecting the hair regions always reset the shape. I don't what it uses as its default shape but it is plain wrong. Pushing the clear button will remove all drape and simulation, it will not reset the shape to zero.
Do NOT set hair density to zero, this will cause an endless loop.
Do not apply a force of 100 times gravity, this will cause hair to grow downwards.
I still haven't worked out if gravity is applied by default or if is just too weak. I/m still trying to get long hair to move correctly in an animation and momentum always wins (I have yet to find a way to control momentum). There are many settings that can be applied but for most I don't see any effect at all. I assume they are using the physic engine to drive all this and as we all know that one doesn't work too well. Or maybe there are simply not enough decimal places to do the calculations correctly.

Still playing with hair. Short hair is easy and works well. Long hair suffers from an overly active simulation and no way to control it properly. Nice to have a time range on the simulation, shame it doesn't actually work.