A while back I launched my first book.
I had no audience, so my success was suspect.
A few good things happened - made $248 in 12 hours, got some great folks to follow me ... yada yada yada.
But this one was the biggie -

Nevertheless, since my original tweet mentioned him, my assumption was he was just being nice.
But then I saw this

Many of us have read his book, Hooked. As far as celebrity authors go, Nir is right at the top.
But what mattered to me was this - my product journey really began after reading his blog on the Hook Model. I had build products before that, but it had a transformational impact on me.
The impact was so profound that I remembered the Hook model, even if I forgot who the author was (I had not read the book yet).
For me the journey sort of just begun - that was day 1 of the launch. Zero audience building prior to that.
A vote of confidence from one of my icons was a big deal.
Here's the Gumroad link to the book