stuff.marcoos.com / slides / 2011

• Meet.js Warszawa: "Objects in JavaScript 1.8.5" (Polish)
• DevTank Kraków: "ECMAScript 5" (Polish)
• Meet.js Kraków: "Block Scope in ECMAScript 6" (Polish & English)
• Front Row Conference 2011: "Harmony: The Shape of Things to Come" (English)
• Mozilla Camp Europe 2011: "Aviary.pl: This Is How We Roll" (English)