Total estimated earnings

why "estimated"

[devil_dog]

I dont know if this is new or always the case... but today i noticed terms like the following on my adsense account pages :-

"Today's estimated earnings:"
"Total estimated earnings"

It looked different... i feel its a recent change.. unsure.

[levo]

[adsense.blogspot.com...]

[devil_dog]

aha.. thanks