Why do we need to publish a post about this kind of web chatting app? After all, there have been too many video chat programs, such as ICQ, Pidgin, Miranda, Skype, TeamViewer, etc. Because sometimes we need to ensure that the communication is more privacy and exclusive (undisturbed), secure enough, and we can enjoy that anytime and anywhere.
HTML5's mightiness, we don't need to introduce too much. Of which, the Geolocation is one of its important features - providing the function for determining user's location. With this feature, we can develop cool web apps based on geographical location information (especially by calling the Google Maps interface).
Now, all modern browsers have supported HTML5. Therefore, this is the top priority for each web designer & developer to study and start using HTML5 as soon as possible, in order to enjoy the convenient, fast and powerful functions it brought to web development.
For developing web-based and database driven high-performance, dynamic Web applications at express speed, PHP (powerful scripting language) and MySQL (quick and reliable database) are absolutely the only pair of best partners. Tutorials about them, I came close to forget this classic bible-level PHP and MySQL Web Development, Fourth Edition (although a bit old without involving the newest features).
Both PHP and MySQL these two open source programming languages have become the best combination for developing web applications for many years. Especially after the Web 2.0 era, they got more wide application fields. Beginning PHP and MySQL will teach you how to make use of internationalization and localization open source tools to create database-driven dynamic web apps facing the world.
PHP has become one of the world's most popular web programming languages from a tool used for producing personal web page. It ensures the operation of so many busiest websites on the Internet. This also brings the problems to be focused on, that's performance, maintainability, testability, reliability and the most important thing - security.