Jackson Jiangjacksonjiang.hashnode.devยทFeb 3, 2023Reel in Users with Topic-based MessagingSmartphones are everywhere these days and play an important role in our daily lives. The popularization of smartphones has led to a wave of mobile apps hitting the market. So, the homogeneous competition between apps is more fierce than ever and deve...41 readsJavaAdd a thoughtful commentNo comments yetBe the first to start the conversation.