PR Newswire announced that PBS will unveil a new ed-tech blog named learning.now that addresses how the internet and technology are affecting the way educators teach and children learn. Learning now will launch at: http://www.pbs.org/learningnow. The blog will be hosted by prominent educational thinker Andy Carvin, and will take an ongoing look at how wikis, blogs, podcasts, etc., affect educators, students, and parents inside and outside the classroom. Aimed at K-12 educators, the blog aims to serve as a guide through the confusing maze of the new world of electronic communication…