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.
The average annual pay for 'app' developers has shot up 27% in just the last 12 months to an average of Â£70,000 per annum.. If warning bells are sounding in your brain as you read those words, your caution may be justified.