Analytical Engine

currentColor lets you reuse the current text color in other CSS directives without repeating yourself

Harry Roberts wrote an excellent article about code smells in CSS

yes, CSS is code. yes, CSS can smell

in React, you can't add props after a component has been rendered (for example, a dynamic child component)

but you CAN clone it and add props:

# … in your component
renderChild: @props.children, (kid)=>
    React.addons.cloneWithProps kid, onClick: (e)-> alert 'hurray'

the current state of responsive images

in summary, you can start using <picture> and picturefill today.

Henrik Joreteg wrote a good rundown of 5 JS frameworks and, in my opinion, got it right

the conclusion though? oh hey look we made another framework