Twitter's retention rate lower than Facebook's/Myspace
"Twitter has enjoyed a nice ride over the last few months, but it will not be able to sustain its meteoric rise without establishing a higher level of user loyalty. Frankly, if Oprah can’t accomplish that, I’m not sure who can."
This is an overview of the Transtheoretical Model of Change, a theoretical model of behavior change, which has been the basis for developing effective interventions to promote health behavior change.