Buying Consortium for Advertising Spend

This Member is interested in connecting with others about utilizing consortiums for advertising spend with Facebook, Google, Microsoft Bing and LinkedIn.  

If you are using a consortium or know of someone who is, will you kindly share your insights?  

Specifically: 

1. What do you see as the benefits?  

2. Cons?  

3. Do you feel it provides a significant savings impact over direct sourcing?  

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