I have a 20 minute presentation coming up Tuesday for which I am giving an overview of Rails to an audience of other developers.
What topics should I cover (or maybe I should do a demo?) to best show off the features of Rails? What features should I cover?
You know, how about showing the Flickr Search demo (as shown on the rubyonrails.com site) and explain the steps. Record the process of writing the source code in advance, then comment on the process. That or show how scaffolding, MVC and generators can speed up the whole process.
The presentations must be done Steve Jobs style; with passion and confidence. Believe in your presentation and "your product". No one wants to listen to something half-bottomed presentation.