SmartNews, a leading news app, faced the challenge of optimizing ad recommendations for its highly engaged user base. The company turned to Milvus after researching solutions that could handle high-throughput and low-latency queries. Milvus's vector similarity search capabilities were instrumental in optimizing SmartNews's dynamic ad vector recall. Adopting Milvus led to more relevant ads, increasing click-through rates and driving up ad revenue. The company has upgraded its Milvus to 2.2.4 and is looking forward to leveraging new features for building even more real-time and reliable systems.