https://www.theregister.co.uk/2018/03/23/advertisers_warn_facebook/

The Mozilla Foundation has expressed its discomfort at the Cambridge Analytica revelations by pulling its ads from Facebook.

While the disappearance of Mozilla's modest ad spend is hardly going to bring down The Social Network™, the organisation's decision to “pause” its Facebook advertising came after Zuckerland tried to assure Mozilla that the conditions that prevailed in 2015 (when Cambridge Analytica breached its terms of service) had long been addressed.