Grzesiek M. from Poland created a presentation about his IT specialization in creating internet applications. He and his group learn the basics and advanced concepts of the internet like what it is, how to create web pages, and how search engines work. They study languages like PHP and Java, use databases like MySQL, and design dynamic web pages using CSS and JavaScript. For projects, they create simple websites using technologies like HTML, CSS, and some use more advanced techniques like PHP, Java, and JavaScript.