Google Fiber's main selling point has been its gigabit internet access, but there has usually been a low-cost option like the $50 100Mbps plan. However, that choice is going away. Google has announced that it no longer offers the 100Mbps tier to new customers -- it's either the $70 gigabit plan or nothing. If you ask the company, it's a reflection of evolving internet technology and usage habits.

The service started at a time when gigabit access was rare, and the average American internet speed was "crawling in single digits," according to Google. Flash forward ...