Push notifications can be considered a form of recommender system, where instead of showing recommendations directly on a website or app, we proactively send suggestions via email or mobile alerts. While this may seem like a small change, it leads to meaningful differences in how people engage with pushes versus regular recommendations. How does push differ from recsys or search? One difference is that with pushes, we don’t know the customer’s intent. Compare this to search, where the intent is ...