One suggestion is not to stake more than a few percent of your account balance on a single trade. (daytrading.com)
If these changes cause the frequency of overheating to increase more than a few percent then the design probably isn't robust enough. (elrondburrell.com)
But sending the second email did not improve the performance of the third email by more than a few percent on open rate, and not at all on the click and donation rates. (epolitics.com)