Manny Puentes, CEO of Rebel AI, describes the journey and recent sale of his company. And he expresses skepticism that hashed email addresses can be a viable identifier for this industry going forward. “Think about all the places you go today that you’re putting your email into,” he says. “Think about all the offline data you can link up with email. People say that it’s hashed and encrypted, and I get it – but it’s just another ID and this ID originated with something that can be linked with offline data.”