Minor nit: this would increase cash flow but not revenue, which has to be recognized when it is earned rather than when it is paid.
You can see how much prepaid money is "waiting" to be recognized by looking at Deferred Revenue on the balance sheet. $263 million at the end of 2019.
[1] https://www.investopedia.com/terms/r/revenuerecognition.asp
accrual accounting is the devil's work.