Should we build dark mode?
Last updated: November 23, 2025
Quick Overview
Your team is considering building a social feed. How would you evaluate this decision?
Bloomberg
November 23, 202534
4
1,856 solved
Your team is considering building a social feed. How would you evaluate this decision?
Product questions at Bloomberg test your ability to think like a product leader. This Phone Screen question evaluates how you balance user needs, business goals, and technical constraints when making product decisions.
What the Interviewer Expects
- Apply a structured framework for product thinking (user, problem, solution, metrics)
- Segment users and identify differentiated needs
- Prioritize features using a clear framework (RICE, ICE, impact vs effort)
- Define comprehensive success metrics across the user funnel
- Consider competitive dynamics and market positioning
Key Topics to Cover
How to Approach This
- Start with the user. Who are they, what problem do they have, and what is their current workaround?
- Use a prioritization framework: impact vs effort, RICE scoring, or ICE scoring.
- Define success metrics using the AARRR framework: Acquisition, Activation, Retention, Revenue, Referral.
- Consider second-order effects. A feature might boost short-term engagement but hurt long-term retention.
Possible Follow-up Questions
- What would you do if usage data contradicts user feedback?
- How would you decide to kill this feature if it's not working?
- How would you validate this idea before committing engineering resources?
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Problem Framing
The decision to build a dark mode for Bloomberg's social feed must be framed within the context of user preferences for extended reading sessions, particularly in low-light environments. The key probl...
User & Market Context
Our primary users are finance professionals and news consumers who frequently access Bloomberg’s platform for real-time updates and social interactions. These users often spend long hours on the platf...
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