To assist European universities to become more mature users and custodians of digital data about their students as they learn online, the SHEILA project will build a policy development framework that promotes formative assessment and personalized learning, by taking advantage of direct engagement of stakeholders in the development process.
Human Needs Psychology, a blend of logotherapy, Maslow's hierarchy of needs, NLP and other theories put together by Tony Robbins and explained here on the success blog of Chris Pickard. There is also a Youtube video
Denise Pires, a student from University of Amsterdam, wrote in the blog "Masters of Media" about why we, as human beings, tend to use the well-known microblogging service.