This focuses on using PowerPoint to mockup iPhone apps. These ideas can be used to create clickable prototypes for almost any type of application (Integrator anyone?).
A set of tools for prototyping iPhone apps that uses HTML, CSS and Javascript. Could be a good way to work through some stuff before fully developing it or, outsourcing something if we ever wanted to make our own app.
This is totally personal. Thought it was worth sharing to the group. You can order a photobook right from your iPhone of photos that you've taken with your phone. $20. Looks pretty nice.
Pretty cool looking service. Glassboard lets you set up private social networks that can be accessed via the web and through mobile apps. Could be an interesting way to share information and resources with classes.
Some insight on why a Retina screen is necessary for screen design. But, includes some tidbits on how to simulate the appearance of your site on a high-res (i.e. retina) screen.