top of page
Search


How the New NoteDex Android App Saved My Boox Air 3C From Collecting Dust
I’ll be honest: I almost stopped using my Boox Air 3C . Like many of us who buy e-ink tablets, I had high hopes. I pictured myself writing long notes, planning projects, and getting work done distraction-free. However, after a while, I rarely picked it up. The built-in notes app—while good—felt stand-alone and isolated. My notes felt lost in the device, separate from the rest of my daily workflow. My Boox was slowly turning into an expensive reading tablet! The magic of using

Prem Sundaram
Sep 30, 2025


New Windows App!
New NoteDex Windows App - Index Card Memory App

Prem Sundaram
Sep 25, 2025


How to Print Index Cards on Mac: Create, Customize, and Learn Smarter
How to print Index Cards on Mac

Prem Sundaram
May 6, 2025


Each note in its own space
Why one idea per card is the constraint that makes your thinking work — and why cramped notes quietly sabotage every project you capture them for.

Prem Sundaram
1 day ago


Why the App Is the Wrong Unit
Note-taking apps got prettier. My thinking got worse. The fix isn't a better app — it's a smaller unit of capture.

Prem Sundaram
3 days ago


Why Handwriting Still Works in a Digital World
I stopped writing by hand for two years. The note apps got prettier. The thinking got worse. Here is what I learned when I picked up a pen again.

Prem Sundaram
5 days ago


Outlining a Book: How One Card Per Beat Turns a Novel Into a Map
Outlining a book doesn't have to mean a 60-page document. One card per beat, four sections, and the whole story fits on a desk. Here's the index-card method that turns a novel into a map you can hold in one hand.

Prem Sundaram
Jul 31


Your System Should Fit on One Card
Complexity kills productivity. One card, one task, one next move — the constraint is the feature. Here's why simpler systems win.

Prem Sundaram
Jul 29


The Power of the LLM Is the L
A mathematician said the only thing humans still uniquely do is care that humans exist. The fitness metaphor underneath it is the most useful thing I've heard a

Prem Sundaram
Jul 27


Your Constraint Is Your Best Idea
Why every AI agent — and every NoteDex user chasing a creative project — starts with a constraint, not a blank page. Seven rules from the open-source Hermes creativity skill, applied to thinking on cards.

Prem Sundaram
Jul 22


Efficient and Writer-Friendly Index Card Tools
If you’re like me, juggling ideas, research, and drafts can get messy fast. That’s where index cards come in handy. They help you organize thoughts visually, break down complex projects, and keep everything at your fingertips. But paper cards? They can get lost or cluttered. Enter digital index card apps - a game changer for anyone who loves to write, plan, or brainstorm. Today, I’m diving into some of the best writer-friendly index card tools that make organizing your work a

Prem Sundaram
Jul 21


How to take better notes
Most note advice optimizes for capture. The notes that actually change how you think are the ones you can re-find. Here's the system that made mine stick — and why one card, one thought isn't a constraint, it's a cognitive tool.

Prem Sundaram
Jul 20


How to Give a Great Presentation
Forty slides did not change the room. One ugly sketch did. The lesson is not how to draw better — it is how to stop finishing the slide before the conversation has even started.

Prem Sundaram
Jul 17


How to outline books with index cards
Stop outlining novels in Word docs. Here's the index-card system that actually works — one card per chapter, one card per scene, and the discipline of rearranging.

Prem Sundaram
Jul 15


Creating Brilliant Online Storyboards with Digital Storyboard Tools
Storyboarding is a powerful way to bring ideas to life visually. Whether you’re planning a video, a presentation, or a complex project, storyboards help you organize your thoughts and communicate clearly. Today, digital storyboard tools make this process easier, faster, and more flexible than ever before. I’m excited to share how you can create brilliant online storyboards that truly stand out. Why Digital Storyboard Tools Are Game Changers Gone are the days of sketching stor

Prem Sundaram
Jul 14


The Gap Between Idea and Execution Is Where the Real Work Lives
Almost nobody ships. The gap between having an idea and making it real is where most ideas go to die. Here's what I learned from the side that crossed it — and why your scrap bin is the curriculum.

Prem Sundaram
Jul 13


Creating Brilliant Online Storyboards with Digital Storyboard Tools
Storyboarding is one of those magical steps where your ideas start to take shape visually. Whether you’re planning a video, a presentation, or a creative project, a well-crafted storyboard can be your secret weapon. Today, I’m diving into how you can create brilliant online storyboards using digital storyboard tools that make the process smooth, fun, and super productive. Let’s face it - traditional storyboarding with paper and pencil is great, but digital tools bring a whole

Prem Sundaram
Jul 12


What Is a Memory, Really?
Memory isn't a file you save. It's a pattern your brain rebuilds every time you recall it. Here's what the science says, and how index cards play into it.

Prem Sundaram
Jul 10


The 21st Century Brain Has a 40-Bit/s Pipe. Stop Trying to Pour the Internet Through It.
Your brain processes 11 million bits a second and lets you consciously notice 40. The bottleneck isn't intelligence - it's the pipe. Here's what neuroscience says about working with that limit, not against it.

Prem Sundaram
Jul 9


The Card Is the Constraint
Most note systems drown a thought in noise. Give every idea its own card and the system does half the work for you. Here's why one-note-per-page keeps winning.

Prem Sundaram
Jul 8
bottom of page
