Lululemon targets two main audiences - a primary audience of active lifestyle enthusiasts aged 25-40 who seek high quality, fashionable fitness clothing, and a secondary audience aged 18-45 who want comfortable casual clothing. Lululemon focuses on word-of-mouth marketing and engages customers on social media by promoting an active lifestyle rather than products. It tailors social media content to different audiences like yoga, running and general fitness while maintaining over 1 million followers on most platforms.