The research suggests that RSI comes from keeping a static load on small muscles for long periods of time without giving them a chance at recovery. The Work Pace software reminds you to rest and relieve the static load to prevent exhaustion and subsequent injury. Whether you choose to use the Work Place solution or the free solution is really up to you. Awareness of the key problems is really important. And being able to monitor computer usage and modify unhealthy computer use habits is also valuable.