I've asked how much lower the error rate should be in order to be acceptable, and you've then replied with a rebuttal to the message of the posted article. I a

I've asked how much lower the error rate should be in order to be acceptable, and you've then replied with a rebuttal to the message of the posted article. I agree that a zero error rate is generally not possible, although I think a company like Xitter can manage better than 101 in 20k.