[princeb]

wait, this makes no sense... there is no flat part of the exponential... the derivative of the exponential is the exponential!

[nhayden]

I should have said the flat part before an exponential. Like a hockey stick.

[progmanal]

I think he is being pedantic, because that part is also exponential.

[vjvj]

and really not that dissimilar to linear growth during that stage of the curve...