The document discusses the use of technology probes to design and understand technologies that enhance communication among diverse, distributed, multi-generational families in Europe and the U.S. It highlights the differences between technology probes and prototypes, emphasizing that probes are designed to encourage open-ended use and inspire new technology ideas rather than focusing on usability. The success of two probes, messageprobe and videoprobe, is presented through their ability to reveal family needs for coordination and playful interaction.