Collaborating with a 4-year Old | the busy mockingbird 2 September, 2013 / Stef Collaborating with a 4-year Old | the busy mockingbird. Share this story: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to email a link to a friend (Opens in new window) Email linked list Previous Post The Revolution Will Be Photographed: Flip Schulke’s Shots of the 1960s 8 Photos | PDN Photo of the Day Next Post Balky carriers and slow OEMs step aside: Google is defragging Android