"BRING YOUR CODER TO SCHOOL" DAY: Are you a fan of Code.org? Facebook’s Mark Zuckerberg threw them a cool $500K--but that’s not all. Code.org has partnered with Skype in the Classroom to bring tech professionals available as virtual guest speakers for kids of all ages and technical skill. Best part: it’s free of charge. Find a guest speaker today! Who knows, maybe Mark himself will show up.