I don't mind affiliate links, but disclosing that would be nice.

Look through his comment history, pretty blatant affiliate link farming...

I assume all amzn.to links are affiliate. Don't most people?

No, it depends on the context.

Bill Gates has his own shortened links on Twitter for example, that look like this:

b-gat.es/2nmg2cp

I don't expect him to roll me through affiliate schemes.

Are you still reading Relentless from last year? It made your list in 2016 too. :)

Negotiating the Non-Negotiable, Dan Shapiro

Works Well With Others, Ross McCammon

The Art of Asking, Amanda Palmer

The Five Love Languages, Gary Chapman

Boss Life: Surviving My Own Small Business, Paul Downs

I've been working on my "soft skills".