Redis Day Seattle was a successful event that brought together around 300 developers, engineers, software architects, programmers, and business professionals for intensive training, thought leadership, and networking. The two-day conference covered topics such as Redis basics, streaming architectures, probabilistic data structures, RediSearch, and RedisTimeSeries. Attendees heard from representatives of various companies like Zulily, Twilio, MDmetrix, AWS, and others on how Redis helps solve their business problems. The event also highlighted the wide variety of businesses using Redis in their technology stack and demonstrated its capabilities beyond caching. Redis Day Seattle concluded with a networking happy hour where attendees shared their experiences and ideas related to Redis.