Ot's on my top 3 ever for marketing-ideas-stuff, together with "Mastery" and "Influence". Probably the best 3 non-fiction books i've read lately, for the useful

Ot's on my top 3 ever for marketing-ideas-stuff, together with "Mastery" and "Influence". Probably the best 3 non-fiction books i've read lately, for the usefulness/interestingness ratio.