prince william ounty's ted for its investment programs.vert county, maryland made the list for its strides to improve educatn. >>> still to come tonight on news 4 at 5:00, the next time you surf the web, consider this. how some websites were able to track your moves online, and sell it to marketers without your pmission. >>> and it's a story of survival, folks, local librarians put a musical spin to tackling budget cuts. and it's already paying o >>> in historic studio a, we have a special presentation taking place right now. the heritage essay contest is about to be made. ts is to highlight the beauty and importance of diversity in america. this is the tenth year that temundo and nbc 4 have partnered in this project to sponsor the essay contest. there are ten students all here tod with their parents and teachers and judges. d the judges have whittled the field down to five finalists, the finalists are in the process of reading their essays. they put their own experiences in america into words. our partners, general manager of telemundo of