It isn't 1: They're not publishing their ML researchers' daily activities and experiences. It isn't 2: This isn't what would be generally understood as a 'peri

It isn't 1: They're not publishing their ML researchers' daily activities and experiences. It isn't 2: This isn't what would be generally understood as a 'periodical' or 'magazine'. It doesn't even resemble the trade publications that are often published by larger businesses. It certainly isn't 4 - Apple isn't giving away terribly detailed accounts of their research activities.