The author never describes any of the patterns he discusses. He just says "this is what it looks like" followed by a diagram that can't be enlarged on a mobile

The author never describes any of the patterns he discusses. He just says "this is what it looks like" followed by a diagram that can't be enlarged on a mobile browser and is too small to read. If this is the level of communication I could expect from this company I'll give them a very wide berth.