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.
This hourly rate can vary from $25 to $200 per hour, and all depends on the experience and quality that each company delivers with each hour spent on your project. Web design costs will usually be determined based on the estimated number of hours that will be spent on your siteâs design, development, and maintenance.