Virtual worlds could be used in a few different ways such as; physical therapy to treat PTSD, train medical students – practice surgeries and procedure, safety way to test cars and increase sales and helps businesses. According to “Going to the virtual of office in Second Life” organizations use second life for video conferencing, offer training for employees, prototype new technology, meeting tool to share ideas, file sharing and brainstorming. Because virtual worlds are just a representation of realty there is room for mistakes and that is the biggest advantage. For instance, a medical student could practice or procedure a surgery in a virtual world and make as many mistakes until he/she gets it right. As my mom always told me “Practice makes it perfect” and with virtual worlds the practice for medical students is as close to reality it will get. Moreover, by training through virtual world labor cost could decrease, more employees could work from home which could cut rent cost. Howe...