The PLN is a network created by an individual learner, specific to the learner’s needs extending relevant learning connections to those around the globe who share interests, passions, and talents. Personal Learning Networks can be described as 1.0 and 2.0. In the 1.0 stage participants are mainly consumers of information. In the 2.0 stage participants are actually producing/creating information.
http://theinnovativeeducator.blogspot.com/2010/08/5-ways-to-build-your-10-and-20-personal.html