They are cute, at first, then they start to get annoying.  It is not your first born child.  It is the Roomba.  The little disc vacuum cleaner that automatically cleans your carpets while you work on other things around the house or even while you are not there.  The concept is simple, this robotic vacuum cleaner roams your house sucking up dirt and debris until the floors are clean.  The way it works is, it travels in a straight line until it hits something; a wall, a chair, the dog.  Then it turns and goes another direction until it hits something else.  The logic is that with enough bumping and turning it will eventually clean every inch of your carpet. Read the rest of this entry