Product Management Interview Question → You are a new PM at Google. Design a wearable for children.

Rohit Verma
4 min readFeb 22, 2024

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As a new Product Manager at Google tasked with designing a wearable for children, there are several critical aspects to consider in order to create a product that not only meets the needs of its users but also aligns with the business goals of increasing adoption and maximizing sales. Let’s dive into the design process.

Clarification and Scope

Firstly, it’s important to clarify the target age group, the type of wearable, any budget constraints, and the target markets. Given the information provided, the age group is broad, spanning from children below 7 to teenagers up to 18. The type of wearable is not specified, leaving room for creative exploration. Additionally, there are no budget constraints, and the target markets include the US, UK, and Europe.

Business Goals

The primary business goal is to maximize wearable sales and increase adoption. To achieve this, the wearable should offer features that appeal to both children and their parents while ensuring safety, health, and entertainment.

User Segments

Considering the different age groups, we’ll focus on teenagers (13–18 years old) as the primary user segment. This group is more independent, active, and tech-savvy, making them ideal candidates for wearable technology adoption. However, it’s crucial to keep the needs and preferences of younger children and parents in mind as well.

Use Cases and Prioritization

  1. Safety and Security: Implement features like a panic button for immediate SOS alerts to parents and authorities, live location tracking, and automatic notifications for entering unsafe areas. Priority: 1
  2. Health and Fitness: Track physical activity and nutrition, set personalized fitness goals, and provide incentives for healthy habits. Priority: 2
  3. Financial Management: Enable contactless payments through NFC technology, with parental controls and budgeting features. Priority: 3
  4. Convenience and Entertainment: Integrate navigation assistance, entertainment options (such as news, videos, and gaming), and social features tailored for teens. Priority: 4

Solutions

Considering the prioritized use cases, a wearable wristband or smartwatch would be an appropriate solution. Specific features could include:

  • Panic button for emergencies
  • GPS tracking and geo-fencing for safety
  • Fitness tracking with goal setting
  • NFC for contactless payments
  • Integration with popular retail stores for seamless checkout
  • Entertainment features like AR/VR support for immersive experiences

Trade-Offs

While features like live location tracking may raise privacy concerns, they are essential for ensuring children’s safety. However, it’s crucial to balance safety with privacy and provide opt-in/opt-out settings for such features. Additionally, partnerships with retail stores may require extensive research and investment but could significantly enhance the product’s value proposition.

Minimum Viable Product (MVP)

For the MVP, prioritize features that address safety, health, and convenience, including the panic button, GPS tracking, fitness tracking, NFC payments, and basic entertainment options.

Metrics

Key metrics to track include the number of devices sold, Net Promoter Score (NPS), payments made via the device, incidents prevented, and the percentage of fitness goals achieved by teens. These metrics will help evaluate the product’s success and inform future iterations.

Summary

Designing a wearable for children involves understanding the diverse needs of users, prioritizing features based on impact and feasibility, and continuously iterating based on user feedback and market trends. By focusing on safety, health, and convenience, we can create a compelling product that drives adoption and meets business objectives.

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Rohit Verma

Senior Product Manager @AngelOne, ex-@Flipkart, @Cleartrip @IIM Bangalore. https://topmate.io/rohit_verma_pm