However are social networks like Facebook going to successfully monetize? You've heard that question to death by now. It's an old subject still without a clear answer.A significant step in the right direction would be to make it much easier for digital marketing agencies to work with social networks.At times I can find Facebook very frustrating. Take their payment system for example. Facebook will not issue monthly invoices. They won't bill you. Not even the most simple of all finical paperwork. I had my shower replaced a few months ago and the plumber, a sole trader, was able to invoice me! Why can't Facebook do it?Instead Facebook will only accept credit card payments. Great! You try sorting that out if you're dealing with a hundred Facebook campaigns and nearly as many individual advert...