Ubiquity - Lowering the threshold for Web mashup

Mozilla Lab recently released Ubiquity, it aims to lower the threshold for Web mashup. The following clips demonstrates how Ubiquity works in action:

Ubiquity for Firefox from Aza Raskin on Vimeo.

The 0.1 version is pretty much the prototype, but still quite inspiring. As more and more application have migrated from the desktop to the cloud, some may consider to replicate the OS to WebOS, others try to glue different pieces together to stop reinventing the wheel. Ubiquity takes the second approach, and seems quite promising.

As a die-hard command line user, I really love the simplicity of Ubiquity. And hopefully the following features may emerge later:

Any idea of new commands that make your life easier?