With the launch of YouTube's paid subscription music service appearing to be just days away, and Google's battle with the independent music sector heating up, it seems like the appropriate time to take a look at YouTube's impressive revenue record. Even before Google adds income from a new paid music service: YouTube will bring in $7.2 billion in gross ad revenues this year up 28.6% from $5.6 billion in 2013, according to the latest eMarketer estimates. In the US, YouTube will net $1.54 billion this year in ad revenues, equivalent to 8.0% of all of Google's net US ad revenues...

More...