elearning 2.0

Twitter is different - it is set up to allow you to share with anyone who wants to listen, and for you to listen to anyone that is willing to share.

Customization is also a huge factor in which social networking site teenagers use

Twitter is more than capable of attracting teenagers. It just needs to realise that teenagers do not desire the same service as adults. With adjustments, additions, and money spent on advertising to raise awareness, teenagers could quite easily soon be the ones driving Twitter's growth.

In the fifty years since, his thoughts (Reaction, Learning, Behavior, and Results) have gone on to evolve into the legendary Kirkpatrick’s Four Level Evaluation Model and become the basis on which learning & development departments can show the value of training to the business. How has the model evolved over fifty years, is it still relevant? As designers of learning, have we applied the model with Don’s intent?