Beginners Guide to R

Have not looked at this yet, but seems to be a good starter piece.  More people are asking me about R these days.  Short, simple, non technical.  " ... R is hot. Whether measured by more than 4,400 add-on packages, the 18,000+ members of LinkedIn's R group or the close to 80 R Meetup groups currently in existence, there can be little doubt that interest in the R statistics language, especially for data analysis, is soaring. ... "

Also, see my review of this book.  I have been using it as an introduction.