Having described an example of a TSEvs, we have to acknowledge some of the implications within this research concerning the limitations regarding the human and technology resources, the difficulty in managing the learners and the time duration, and last but not least the time and effort needed for the preparation. Liability issues are still a matter of concern in terms of education in virtual worlds. In SL, for example, a private space can be purchased and be limited to authorized users, however, there is no control in the public areas. In addition, there are many outstanding legal issues surrounding virtual violence, virtual assault, and sexual harassment in virtual worlds, which should be taken into consideration during the design of educational programs in virtual worlds.