Its quiet hard to describe the actions of the Irobot Roomba in writing.
I have been looking for a good video that highlights all the key features of the Irobot Roomba.
Below is a must see video if your undecided on whether to buy a Irobot roomba.

First I am not by a long shot an expert in robotic engineering so here is my layman’s version.
The video below gives you an idea of how well the Irobot Roomba covers the floor, the Picture at the top is the latest Roomba, the ne bottom right is an older model and the bottom left ...