Alternatively, leave this open throughout the day to see how much money you could've earned, but didn't because you're reading the internet.

Yay for business models that decouple money earned from hours worked for the sake of working hours. After I get 3.0 of my app launched the website won't suddenly throw a FatalLackOfButtInChairException, even if I'm e.g. sleeping or on a date when I could be working.