„Parents with baby working in office at home“ von Monkey Business Images
„Child boy playing with abacus“ von Oksana Kuzmina
„Businessman wearing headphones working on laptop in office“ von Monkey Business Images
Special thanks to Meiko Herrmann for most of the other great pictures (watch out for the utterly perfect shots of people at juggleHUB).
More about Meiko and his work: http://www.meikoherrmann.de/