Today, consumers face numerous choices when it comes to choosing a lawn mower. Lawn mowers are most popular in gas-powered, electric-powered, manual push and riding styles. Recently, cordless electric lawn mowers, lawn dethatchers, lawn sweepers, lawn aerators, string trimmer lawn mowers, lawn rollers, and leaf blowers have become increasingly popular lawn sculpting tools. The most recent invention in lawn mower technology is the robotic or automatic lawn mower. Lawn mowers typically fall into these three categories - manual push mowers, riding lawn mowers and lawn tractors - which you choose will ultimately depend on the size and scope of your lawn.