We're looking for a Marketo Ad bridge alternative. Something that is fully automated takes a smart list and has the ability to automatically push / update target lists in Facebook, LinkedIn, etc.
Anybody using anything outside of Ad Bridge?
we are currently developing a tool to automate this process as you describe it. We too have been facing issues with not-fully-automated process and have decided to build our own tool.
Would you be interested in going through the details? Is this still relevant for you?
Let me know.