The power and breadth of uses and pure processing ability of the modern computer that we all have at home is simply astonishing and unprecedented, compared of course to the frankly useless computers we used in the past, barely able to handle simple spreadsheets or word processors. Todays cheapest computers with a modem can allow you to do almost anything, you have an incredibly powerful tool. This will give you access to all manner of data and research, from background check information and reverse cell phone lookup online. The modern computer, pc or mac, is an astonishingly powerful machine. The power that is contained in modern computers really is astonishing, especially when you compare it with the power of a computer 10 years or more ago. These days we have computers capable of controlling almost everything we do and need, in the past we needed room-sized computers to handle complex calculations, but a simple cheap pc can do the same today.