Paranormal Activity "underground" horror movie

OK this will help us all a lot I don't think
http://movies.nytimes.com/2009/10/09/movies/09paranormal.html
http://www.philly.com/inquirer/magazine/20091013_The__15_000_flick_that_s_a_scary-good_phenom.html

Another review
http://www.google.com/url?sa=X&q=http://uberreelz.blogspot.com/2009/10/paranormal-activity-good-attempt-but.html&ct=ga&cd=DmULCaZcSYk&usg=AFQjCNHIqIZh-u4bbFtKfUy-TH0gCIaAFQ