Lewis C. Lin Blog
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LEWIS C. LIN is an entrepreneur, tech executive, and public speaker. He's the CEO of two companies, ManageBetter and Impact Interview. Lewis holds a B.S. in computer science from Stanford University and an M.B.A. from Northwestern University's Kellogg School of Management. He serves on the advisory board for the University of Washington's software product management program.
Lewis C. Lin Blog
1w ago
Recently, I had the opportunity to carefully analyze my PM question bank, which contains over 1700 questions.
This involved examining interview questions from leading tech firms such as Google, Meta, Amazon, and others spanning from 2022 to early 2024.
Through this analysis, I've identified important trends and focus areas that can help PM candidates better prepare for the hiring process.
Consistent Areas Tested
One key observation across all years is that product design, strategy, and analytical thinking have remained the core skills tested through PM interviews at top tech companies. However ..read more
Lewis C. Lin Blog
1w ago
As AI language models become more advanced and widely used, it's crucial to ensure your prompts are performing optimally. Just like any software, AI systems can encounter issues that lead to errors, inconsistencies, or undesirable outputs. The good news is that many of these problems can be diagnosed and mitigated with the right approach.
Ethan Mollick provided an excellent checklist for identifying common AI prompt issues and exploring potential fixes:
Let's dive into how you can use this resource to get your prompts back on track:
1. Identify the issue
The first step is to pinpoint the spec ..read more
Lewis C. Lin Blog
2w ago
Ever wondered how ChatGPT deciphers your questions and crafts responses? It might sound like a labyrinth of technical jargon, but fear not—it's simpler than you think.
Let's demystify ChatGPT's inner workings in just 75 words.
Ask: You type a question into the chat box.
Split: ChatGPT breaks your question into tiny bits called tokens, kind of like individual words or short phrases.
Code: ChatGPT turns each token into a special set of numbers that the AI can understand.
Predict: ChatGPT uses these numbers to help the AI figure out what you're asking and what a good answer might be.
A ..read more
Lewis C. Lin Blog
3w ago
We’re always thrilled to hear from readers. ??
Shivam and I have poured our hearts into creating a system design book that breaks free from jargon, confusion, and intimidation. Our goal was to make it exceptionally clear and readable, even for non-experts ..read more
Lewis C. Lin Blog
1M ago
I absolutely love marketing, and Mattel is one of the best consumer brands out there.
So naturally I’m thrilled to hear that one of my UCI workshop attendees used my materials to secure a coveted offer from Mattel this summer ..read more
Lewis C. Lin Blog
1M ago
Always fun to see PM interview candidates do and share practice questions from my book!
In both of these instances, Alex utilized my CIRCLES™ method to navigate through the product design questions.
PS The latest edition of my PM interview questions book has been rebranded as The Product Manager Interview ..read more
Lewis C. Lin Blog
2M ago
I always enjoy hearing from Wharton students. They really shine in the tech world.
It’s an honor that my books have been used to land PMs their first jobs and particularly in this case at a level higher than expected!
Of course, I'm thrilled to discover that they've made my books their go-to resource for interview preparation throughout the entire year ..read more
Lewis C. Lin Blog
2M ago
It’s a delight working with UCLA Anderson MBA students. Their social finesse is impressive, and they carry themselves with grace and charm.
So, it was no shock to receive feedback from one of these students who appreciated the interactive atmosphere of my workshop. He resonated with my unfiltered, authentic approach.
And what really hit home for him? The fundamental lesson of practice, practice, practice ..read more
Lewis C. Lin Blog
2M ago
I am delighted by the positive feedback I received from the recent Kellogg workshop I conducted. It brings me great satisfaction to learn that the explanations I offered resonated deeply with the participants and that the stories I shared effectively illuminated the principles we discussed. Discovering that the workshop not only assisted with interview preparation but also offered valuable guidance for real-life career endeavors fills me with immense gratification.
And then, to top it off, hearing that Decode and Conquer got hailed as a game-changer for those interview preps? Man, that's the k ..read more
Lewis C. Lin Blog
3M ago
I just love teaming up with those MIT students. Their excitement for all things tech is downright contagious, and they've got this endless hunger for learning that's just inspiring.
And it's no shocker when I hear back from one of them after a workshop, buzzing with joy about the chance to soak up knowledge and maybe stumble a bit along the way.
I mean, who wouldn't prefer to trip up and learn in the safe zone of a workshop rather than flounder in the heat of an important interview ..read more