Flip content
like a playlist.
Six minutes. One concept. Three formats. Nano Blocks are the atomic unit of Owlet's content system — short enough to finish on a commute, deep enough to actually stick. Switch between text, audio, and flowchart without losing your place.
Three formats. Your choice.
Dense, precise, scannable.
The text version is written for someone who reads fast and needs to extract the idea in one pass. No filler. No motivation paragraphs. Just the concept, the nuance, and the two things to remember.
For commutes, runs, and eyes-shut learning.
Each audio block is recorded by a subject matter expert with real-time inflection, not a TTS robot. 1.2x and 1.5x speed support. Chapters so you can jump to any section.
For visual learners and spatial thinkers.
The flowchart version maps every concept node and edge relationship. Perfect for system design, decision trees, and logical frameworks. Zoom in on any node for its detail panel.
Assigned, verified, and tracked
Assigned by Owlet
You don't choose blocks randomly. After your assessment, Owlet assigns the exact blocks that target your weakest vectors. The queue reorders every 48 hours based on your latest session data.
Six minutes max
No block runs longer than 6 minutes in any format. If a concept can't be explained in 6 minutes, it gets split into a series. Short enough to start, short enough to finish.
Verified by experts
Every block goes through a 3-stage review: subject matter expert authoring, a second SME review, and a final clarity pass by our editorial team. No AI-hallucinated content makes it to production.
Topics by prep track
Everything the PM hiring loop tests.
- System design: 45 blocks across microservices, databases, CDN
- Behavioral: 60 blocks with STAR+M framework practice
- Product sense: 40 blocks on metrics, prioritization, go-to-market
- Estimation: 30 blocks on Fermi problems and market sizing
Six minutes to the next
right thing to know.
1,250+ blocks across 12 tracks. Expert-verified. Three formats. Start learning at exactly your level.