Advertising on websites known for misinformation is pervasive across companies in a range of industries, a new study by Nature finds. Taking a sample of around 5,500 such websites, the study found over 40,000 companies engaged in advertising on them with well over nine million instances of ads. A survey of decision-makers showed them largely unaware of their brands advertising on such websites, with 62% saying they were “surprised.”

CDP mParticle is being acquired by ecommerce platform Rokt for a price of $300 million.  It’s the third acquisition of a leading independent CDP in a little over one month, following Uniphore’s purchase of ActionIQ and Contentstack’s purchase of Lytics. All three buyers offer some type of customer-facing technology; apparently they’ve decided that adding real-time profiles from CDP will give them a competitive edge.  (See this blog post for more analysis.)