[16 pixels] is not big. It’s the text size browsers display by default. It’s the text size browsers were intended to display… It looks big at first, but once you use it you quickly realize why all browser makers chose this as the default text size.
Most websites are crammed with small text that’s a pain to read. Why? There is no reason for squeezing so much information onto the screen. It’s just a stupid collective mistake that dates back to a time when screens were really, really small.
Typography is not only an all-important aspect of design, it is also an art form in and of itself. Choosing the right font, the perfect spacing and even the correct shape of text can be an important factor as to whether a project fails or succeeds. Although Illustrator is not really used for multiple-paged projects, many would agree that it is one of the most powerful applications for creating vector graphics, such as logos, and it is also often used for one-page documents, such as business cards, posters, or postcards.