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1️⃣ Always walk through how the feature works with the interview.
If you don't know the product, do tell the interviewer because it's unfair for you to discuss a product you don't know.
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List out all the entry points
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On FB's main site, I see:
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Say how you would interact with this feature
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Comment on the overall features (Home / Shows / Live / Saved Video / Watchlist):
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✏️ Looks like Watchlist is the main focus here because it displays each FB page with icons and notifications. say the **details**
Perhaps the algorithm relies on this user curated watchlist to serve the audience the best content. say the **intuition** behind your comment
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On FB's mobile app, I see:
- Just like the web app, Watchlist is highlighted. However, it is not expanded in details - perhaps there is not enough real estate.
- The video seems to reflect what my friends have watched, not what I have watched. I really dislike this decision because it auto-plays a lot of of sensational news and video and is quite intrusive to the user experience.
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2️⃣ Share your design criteria.
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- When I evaluate whether or not I like a feature, I would use the following three design principles:
- Is it innovative?
- Is it useful?
- Is it honest?
- Now, do a pros/cons analysis on the mobile and web page. You may also ask the interviewer if they want you to focus on mobile or web.
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3️⃣ Provide an exec summary.
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- Based on the above pros/cons analysis, I have a <positive/mixed> feeling about this feature.
- On one hand, <list the benefits>. On the other hand, <#1 complaint you experienced>.
- Finally, state your recommendation: If this feature could improve on <provide a solution to your #1 complaint>, I'd have a much better user experience.