Resources

Tools and videos.

Free resources Spencer built or curated. No sign-up required.

Tools

Custom GPTs and free tools.

Practical tools Spencer built for language learners. Free to use.

Custom GPT
The Silent Phase Calculator^™
A Fluency Formula-designed tool to help you decide whether to start speaking on day one or wait until you have enough immersion to actually output your target language.
Open
Custom GPT
Language Learning Method Audit^™
Answer a few honest questions about how you study right now, and this GPT tells you whether your current method is actually moving you toward fluency, or quietly wasting your time.
Open
Custom GPT
Fluency Timeline Calculator^™
Tell it your target language and how much you can study each day. It maps out roughly how long fluency will take you, and what the path there actually looks like.
Open
Custom GPT
Fluency Sprint Planner^™
Pick the date you want to be fluent by. This GPT works backward from it to show how many hours a day you actually need to put in to get there.
Open

Spencer's most-referenced videos on language acquisition, the system, and what actually moves the needle.

The lazy method that got me fluent insanely fast
How I got fluent by doing the opposite of what most courses tell you. The case for input, low pressure, and trusting your brain to wire the language on its own.
The weird way USA military linguists learn languages crazy fast
What the U.S. military's elite language school gets right that 99% of self-learners miss. Pulled apart and rebuilt for anyone learning at home.
The easy way to learn languages 10x faster
The whole Fluency Formula system in one video. Why most learners are studying when they should be acquiring, and what to do instead.
Language learning is broken (but here's how to fix it)
The reason most language apps and classrooms leave you stuck at intermediate forever, and the small shift that fixes it.