Introduction
To improve WhatsApp Calls, we need to analyze the current user experience, identify pain points, and develop innovative solutions that enhance the calling feature while aligning with WhatsApp's core messaging functionality. I'll approach this challenge systematically, focusing on user needs, technical feasibility, and business impact.
Step 1
Clarifying Questions (5 mins)
Why it matters: Determines if we should focus on integration with messaging or position calls as a standalone feature. Expected answer: Calls are seen as a complementary feature to messaging, with a focus on increasing user engagement and retention. Impact on approach: Would prioritize seamless integration between calls and messaging features.
Why it matters: Helps tailor solutions to specific market needs and technical constraints. Expected answer: Higher usage in developing markets with unreliable cellular networks, lower usage in markets with strong cellular infrastructure. Impact on approach: Would focus on optimizing for low-bandwidth scenarios and exploring offline capabilities.
Why it matters: Identifies key differentiators and areas for improvement relative to competitors. Expected answer: Strong in markets where WhatsApp messaging is dominant, but lacking some advanced features found in dedicated calling apps. Impact on approach: Would look to leverage WhatsApp's existing user base while introducing innovative calling features.
Why it matters: Ensures that proposed solutions align with WhatsApp's commitment to user privacy and security. Expected answer: End-to-end encryption is a must, and any new features should not compromise user data protection. Impact on approach: Would prioritize solutions that maintain or enhance privacy and security measures.
Tip
At this point, you can ask interviewer to take a 1-minute break to organize your thoughts before diving into the next step.
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