Permanent Follicle Damage
It should be noted that continued re-tweezing over a long period of time is likely to cause permanent follicle damage, resulting in some degree of permanent hairloss. Those of us who are obsessed with being bald will think of this as a benefit.
Tweezing should not be attempted by anyone but those who are really obsessed with baldness. It's possible to tweeze a few times without damaging follicles for most people, however it's my feeling that if one tweezes for more than six months permanent damage is very likely to have occurred.
The damage from tweezing is known as "traction alopecia" which is baldness induced by constantly pulling out hairs.