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.
Advanced Interactive Website B2B: $7,273 16% of respondents charge over $100 per hour for web design, with the highest amount listed $150 22% of respondents charge between $60 and $100 an hour. 26% of respondents charge less than $50 an hour * From the DesignQuote designer survey 2012.