"Leaf is on a mission to turn standard point of sale into point of smart interactions for small businesses, so it's important that we stay on the cutting edge of technology, " said Aron Schwarzkopf, CEO of Leaf.
Like much of America during the Vietnam War, the real-life ballad of John and Yoko had a sharp political edge, which is brought to light in this absorbing documentary by David Leaf and John Scheinfeld.
