I'm happy with them, they are convenient and easy to use. The only downside is that they take 25% of your ad revenue as their cut. Obviously they are right to charge and are entitled to their share, but it's still quite a big dent in your revenue.
I'm happy with them, they are convenient and easy to use. The only downside is that they take 25% of your ad revenue as their cut. Obviously they are right to charge and are entitled to their share, but it's still quite a big dent in your revenue.