I think the author was missing the point, but not in the way where he should lie. Edge in the context asked, with the explanation given, likely was refering to

I think the author was missing the point, but not in the way where he should lie. Edge in the context asked, with the explanation given, likely was refering to "bleeding edge", "cutting edge", or "leading edge". As in the customer wants to buy modern technology that makes their company look hip, their developers happy, and gives them an advantage against the competition. Some rant about CDNs, or where the edge of the network is, seems inappopriate here. https://en.wikipedia.org/wiki/Bleeding_edge_technology https://en.wikipedia.org/wiki/Bleeding_edge_technology