Learning in Hand is a resource for educational technology by Tony Vincent. From netbooks and web applications to iPods, iPads, and podcasting, Tony has put together practical information for educators.
Photo sharing app - this would be cool on the classroom sets of iPods or iPads - students could instantly see others' pictures (with a wifi connection)
From the post: "One challenge teachers face is requiring and enabling every student an equal opportunity to ask and respond to questions during class. A new web-based classroom tool called GoSoapBox is one possible solution to this problem. With GoSoapBox, students can simultaneously interact with the class in real time as well as participating with any Internet connected device. I am currently accessing GoSoapBox with my classroom set of iPod Touches; however, the app will run on laptops, notebooks, iPads or other mobile devices."