Personally I've found the lookalike audiences to be much more effective as a targeting strategy to increase conversion rate and volume on Facebook than the Data

Personally I've found the lookalike audiences to be much more effective as a targeting strategy to increase conversion rate and volume on Facebook than the Datalogix/Acxiom type data. Perhaps I need to give it another chance. Also, not everyone has access to the data needed to make a good lookalike audience on Facebook.