David Korfhage tweeted this link to Thinglink. Thinglink allows you to upload pictures and link them to videos and articles. And it does so in a cool way. I watched the video and think the concept is great and has possibilities for class activities, maybe a web quest or something like that. Check it out see what possibilities you can find. Here's a picture of Marx and Engle's that I uploaded to Thinglink and edited. You can hover over the picture and see links and video.