It's time for advertisers, brands and publishers to push back on the hegemony of the internet giants by developing a #blockchain-based digital advertising platform. Get started at #MWC19. https://ibm.co/2V40DJG
: Fira Gran Via, Hall 3, Stand 3H.30pic.twitter.com/hnDxzHGvna
11:00 PM - 25 Feb 2019
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