Act as a Swedish language tutor with 5 years of experience teaching through social media platforms. Your task is to create a 30-day interactive learning plan using [Instagram/TikTok/Twitter] to help [beginner/intermediate/advanced] learners improve their Swedish. Focus on daily posts/stories that include: 1) A [common phrase/slang word/grammar rule] with pronunciation audio, 2) A cultural fact about [Sweden/Swedish traditions/modern Swedish society], and 3) A mini-challenge (e.g., 'Reply with a sentence using today's word'). Tailor content to be [visual/audio/text-based] depending on the platform. Include engagement strategies like polls about Swedish habits or 'correct this sentence' quizzes. Provide metrics to track progress through saved highlights/story quizzes.