Attribution geeks, your day has come. We have three items on the topic. First: mobile attribution specialist AppsFlyer has added a suite of “people-based attribution” products which expand beyond mobile to “provide one holistic view of the customer journey across multiple touchpoints, connected devices, digital platforms, and media channels.”

Since we’re uncharacteristically cheery today, let’s ignore the hype and remember blockchain’s potential for privacy and ad fraud prevention. That makes it good news to find more than 290 blockchain-based marketing systems. NeverStopMarketing, which helps blockchain start-ups, has inevitably packaged the research in a logo-scape, which shows the most crowded categories are ad supply chain, ecommerce, and personal data management.

Salesforce is buying Airkit.ai, which builds low-code, AI-powered e-commerce customer service agents.  You might have thought Salesforce could already do that, but presumably Airkit does it better.  It doesn’t hurt that the company founders sold a previous business to Salesforce, the company was partly funded by Salesforce Ventures, and the product is already listed on AppExchange.  Price was not announced.