I have had discussions with the [awesome] Lotus Mashups team for a long time. It seems like a product that has lots of uses, and one whose architecture I really like. Recently, I needed to build some demos for a customer, and while that is not going to be published for a while, if ever, this simple demo was kind of fun to try.
This one is very simple, a google doc spreadsheet parsed in using a DataViewer widget sending data to a NavTeq widget.
IBM’s Lotus Greenhouse is really great for trying these things, BTW, and the team’s YouTube channel ItsMashtastic is great for an idea or an example.