Here's an interesting twist on Zune to Zune wireless sharing: ChikaZune (via Crunchgear ). ChikaZune offers a series of images that can be beamed to other Zune users, via wireless. The images serve as a primitive chat. Cool. I'd love to have a picture of a high-five (high-five!) so I can beam it. In fact, this has inspired me to make another contest. The Zune High-Five Picture Contest. Make a picture that showcases a high-five. I'm deliberately providing no further guidance. Be creative. Post the...