From the website:

Call them pipes, teqlos, dapps, modules, mashups or whatever else but fact is that recently we have seen a good number of new services that allow developers and users to build mini-apps and mashups that mix and re-mix data. Here we run through 5 applications that allow you to mix, rip and mash your data, looking at the data input, output, REST support, suggested use, and required skill level 

From the website:

CSIRO Research engineer Dr Richard Helmer is interviewed about the wearable guitar which works by recognising and interpreting arm movements and relaying this wirelessly to a computer for audio generation. It then shows him demonstrating it.