If you enjoy words as I do this is a great site! It's not commercial but is very entertaining as well as informative. They send out a weekly newsletter on Saturdays which I admit is a highlight of the week, although it says English words from a British perspective the contibutors are from all parts of the English speaking world.
http://www.worldwidewords.org/nl/yplb.htm
http://www.worldwidewords.org/nl/yplb.htm