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.
According to the Bureau of Labor Statistics, web developers earned an average of $62,500 in 2012. The bottom 10% earned an average of $33,550, while the top 10% earned at least $105,200. Web Developer Skills. Here's a list of front end web developer skills for resumes, cover letters, job applications and interviews.