IN BIG WEB SHOW Episode ? 117, Tom Giannattasio, Founder/CEO of Macaw, “the superhot web design tool of the future,” joins me to discuss a paradigm shift: can we really draw semantic HTML and succinct CSS? How it works. Pixels, percentages, ems, or rems? Designing a design tool. How to quit your job. From Kickstarter to startup. Team building. Responsive design, responsive community.