Is your system slower and less efficient than it was before? YooApplications presents Sweepi, a free tool that will help you solve this problem and protect your privacy. Windows automatically files great amounts of data on your hard drive that document your work and your usage of the internet. In time this data gets to be so large that it influences the efficiency of your system. Additionally, this data can be used by spyware programs to document your internet history and to accede to your personal data. Sweepi will help you find the unnecessary data quickly and safely destroy it.