7 iPhone Photo Lenses! The 4-Hour CHEF Teaches Knife Skills. 3 Smart Thermostats Save Energy. Eavesdrop on Rdio. Barnes & Noble Protests Amazon.

Tim Ferriss, The Four-Hour CHEF, talks $7 cleavers, knife skills, and the battle between Barnes & Noble and Amazon. Better iPhone Photography: we've got lenses, mounts, and more! Programmable Thermostats, the Nest is just one of many excellent options. Eavesdropping on Rdio. And much more!

Plus - should Patrick and Veronica talk slower? What do you think?