\u003cb\u003eWhat's the size of the market - \u003c/b\u003ethe suite of tools like PHP, mySQL, JavaScript, and other tools continue to be highly in-demand in the job market. All three languages were on the Top 9 list for job demand that was published by Coder Dojo in March 2017. The suite of languages are so intertwined with the current web that the demand for these skills should remain consistent for the foreseeable future.\u003cbr /\u003e\u003cbr /\u003e\u003cb\u003eWho are we targeting - \u003c/b\u003ethis deep reference primarily assists underskilled developers interested in devleloping a greater understanding of the technologies driving data on the internet. A secondary audience is current developers who simply want a reference to help solve problems.