The transformation of $BTC X (formerly Twitter) into a 'super app' is a radical strategic change led by Elon Musk, aimed at transforming it from a single social media platform into an all-in-one 'universal application' that integrates functionalities like communication, payment, audio and video, and shopping, mimicking the successful models of WeChat and Alipay.

**Core Strategies and Challenges:**

1. **Function Expansion:** Actively adding payment/financial services (X Payments), long videos/live streaming, job recruitment, e-commerce, and other features, attempting to create a closed-loop ecosystem.

2. **User Stickiness and Profitability:** Aiming to enhance user retention time and create new revenue sources beyond advertising (such as payment fees, e-commerce shares, subscription fees).

3. **Significant Challenges:**

* **User Habits:** Users in Europe and America lack the habit of using a single 'super app,' making it difficult to cultivate this mindset.

* **Trust and Regulation:** Sensitive features like payments face stringent financial regulations and challenges regarding user privacy trust.

* **Content Ecosystem:** Loose content review policies affect brand advertising placements, creating contradictions with the goal of attracting merchants and users.

* **Execution and Competition:** The speed of feature iteration, integration experience, and competition pressure from established payment/e-commerce giants are immense.

**Conclusion:** The vision is grand, but it faces multiple severe tests regarding user acceptance, regulation, content ecosystem, and execution capability. Whether it can successfully reshape user behavior and achieve a commercial closed loop remains a significant unknown. The transformation process is slow and continuously controversial.