I think it was more than three, I don’t recall the reference of 3 horsemen being used. Lynda Weinman and Seth Godin were influential (Godin from a marketing and

I think it was more than three, I don’t recall the reference of 3 horsemen being used. Lynda Weinman and Seth Godin were influential (Godin from a marketing and SEO perspective). Also Krug and Allsop.