Five freshly brewed stories to caffeinate with this morning:

• The Verge: Hydrogen-powered robot jellyfish generates fuel from surrounding water
  This robot will theoretically never run out of energy. I, for one, welcome our new robot jellyfish overlords.
• The Millions: Tumblr as a Commonplace Book
  Shaj Matthews compares the blogging platform to a 500-year-old tradition as Tumblr experiences exponential growth.
• AdVerve: You’ve made it when: other people make videos of your products.
  Who needs a revenue stream when you’ve got fan art?
• Your Life After 25: 25 Awesome Songs for Women’s Empowerment By Women
  Da Vinci counts down her top 25 for Women’s History Month.
• Perezitos: Hilary Duff’s Baby Registry Revealed!
  Just in case you wanted to get Lizzy McGuire a Gift.

photo by flickr user bergie.