Here’s a little stocking stuffer: Admetrics has just launched a freemium version of its Quantify automated campaign experimentation engine. Like its professional big brother, the system combines multivariate testing with Bayesian statistics and machine learning to deliver results more quickly and with less data than traditional A/B tests. And it can automatically introduce new variations as these become available, enabling continuous improvement.

It took just one day after our privacy newsletter called out Microsoft’s Productivity Score as a surveillance nightmare for Microsoft to hide individual information. Okay, lots of other people raised the same issue. Regardless, it shows increasing awareness of workplace privacy issues, especially during the pandemic.

Digital advertising platform PubMatic’s new partnership with GroupM, WPP’s media investment group, will enable the delivery of AI-powered cohort modeling to advertisers. Using a distributed AI model developed by Resolve, the collaboration aims to generate privacy-compliant audience segments across multiple publishers simultaneously. Not only does the targeting not rely on third party cookies, it also eradicates the need for user data to be moved or shared during the ad buying process.