Full source (HTML, CSS, JS, SVG) for the slides: https://github.com/svgeesus/font-level-up
Sure, everyone uses WebFonts now. But are you using the full capabilities of modern OpenType fonts, with your CSS? Did you know how to get tabular or lining numerals, how to avoid fake smallcaps? Are you up to speed on chromatic fonts? And what is coming in the future, like Variation Fonts? Are you ready to power up on webfonts?