IOTA is a distributed ledger (blockchain) system with no transaction fees. If that’s not enough to get you excited, how about this: they’ve just launched a pilot version of a data marketplace that will let owners sell data streams, mostly from Internet of Things devices. Whoa Nelly, eh? In theory, people could sell personal data streams too. The “no transaction fee” part of IOTA makes it all possible, since otherwise the transaction fees would make micropayments for data impractical.

All that growth doesn’t mean marketers are doing a great job managing their money. A study from ID Comms found that just 15% of advertisers say they’re using media technology effectively, even though 75% agree they need a clear adtech strategy. Good news for some of us: specialist tech consultants are the most trusted adtech advisors.

Procrastinators of the world can throw a party whenever they get around to it: Google has once more pushed back complete third-party cookie deprecation.  The new target is “early next year.” Reasons for the delay include concerns expressed by U.K. data regulator Information Commissioner’s Office, an ongoing inquiry by the U.K. Competition and Markets Authority, and widespread discontent in the advertising ecosystem.