[justinl33]

> Thus, as we go from search to recommendations to pushes, it becomes harder to understand the customer’s intent

> Push notifications can be considered a form of recommender system

Recommender systems can also be viewed as a marketing optimization problem, which I guess would be the step beyond push notifications; recommending to future rather than current users. Interestingly, it has been shown that ‘expert consumers’ prefer user-based recommender systems https://www.sciencedirect.com/science/article/abs/pii/S09696....