Firstly AJATT is free, you don’t have to sign up. Basically the method as described by Syphus is how most people interpret it. “It’s basically some site that says “Read and listen to a lot of Japanese.” My understanding is a little different but I think closer to what Khatzumoto’s original intention was. Don’t forget however that AJATT is basically the Japanese version of Antimoon, a website describing how two Polish guys learned English quickly through total immersion whilst still in Poland.
And that’s the key, total immersion. You basically change as much as your environment as possible into Japanese. Your mobile phone - change to the target language. Your laptop - change to your target language. If there is a TV streaming service in your target language, subscribe and stop watching your own country’s TV. Make your earphones your best friend and whenever you are not at home have them plugged in and listen to Japanese. Etc, Etc, rinse and repeat.
So its not just “listen and read a lot”, its about changing your life to fill as much of your day with your target language as if, and this is important, as if you were in that country. When you are at home for example, an environment where you have most control over, its basically no different from being in the country itself.
Obviously the above is the pure AJATT. Most of us have family that wouldn’t appreciate changing our TV subscription or laptop language. But still we have to fill our day with as much of the target language as possible.
My situation fits very well with AJATT and hence my interest. My home is basically Japanese. My wife is Japanese and talks to our son all the time in Japanese. We have 75 Japanese TV channels streamed to our home and only watch those as I’m not a big TV watcher. We listen to the Japanese radio channels on Radio Garden. Our kitchen is full of Japanese food products etc. And to top it off, I work from home. So creating a Japanese environment is not a problem and as I’m sat at home everyday I’m totally immersed everyday. The problem with me is that I never used my environment to learn Japanese. I’m only just starting now.
We are also buying a second home in Japan in a few months and hope to move there permanently in a year or 18 months. Hence my interest in a method that gets you functionally capable in all aspects of the language, in the shortest time.
I do also like WK as well though and wondered if the two could combine.