What are the most regularly done mistakes that result in the fact that the introduction of time billing software provides results that are opposite to those planned?

From: http://sxc.hu
At present there are improvingly people, who complain about too little time. It is connected with the fact that, first and foremost, we want to make as much as possible. Therefore, we tend to find it demanding to establish some hierarchy, which we would like to obey in order to obtain as much satisfaction as possible. What is more, another important complication many people complain about refers to wasting of time, which is relatively simply done for example in front of the computer.