I've seen fridges with embedded WIn CE devices that connect wirelessly to the Internet. The Win CE device was a notepad. So, for example, a stay-at-home mom could write a shopping list, then send it to dad's email or smart phone so he knew what to pick up at the store on the way home.
>
http://i.imgur.com/zs6Jh.jpg
Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer