In string theory, one of the many vibrational states of the string corresponds to the graviton, a quantum mechanical particle that carries gravitational force. Thus string theory is a theory of quantum gravity.
Their average web application development cost is around $500K and their staff or contractors' salary is in the six figure plus range. Their proposals are usually based on a lot of fluff with the development rate ranging from $400 - $800 per hour. These types of companies focus on custom development.
Industry Averages. According to GlassDoor.com, which gathered information from over 15,000 software developers, the national average entry level software developer salary is $55,000. That comes to approximately $26.44 per hour if you work forty hours a week.