| Approach | Top Score? | Recommendation | |----------|------------|----------------| | Buying the official PDF/e-book | ✅ 10/10 | Best investment of your interview prep | | Reading a pirated “Alex Wu” PDF | ❌ 1/10 | Risks malware, missing content, and ethical issues | | Using free GitHub summaries + YouTube | ✅ 7/10 | Good for revision, but lacks full depth |
: Provides a repeatable 4-step framework to approach any open-ended design prompt without freezing. system design interview alex wu pdf top
: Focus on specific bottlenecks or critical components (e.g., database scaling or consistency). | Approach | Top Score