Complex sentence: This change intented to allow for more accurate measurement of data Usage, but it appeared to more than double calculated usage, causing routine usage of some customers to unexpectedly exceed WildBlue's imposed 30 day usage limits.
Split into simpler sentences: This change intented to allow for more accurate measurement of data Usage. It appeared to more than double calculated usage, causing routine usage of some customers to unexpectedly exceed WildBlue's imposed 30 day usage limits.