Going public: Key developments in Facebook's IPO
Key developments in Facebook Inc.'s initial public offering of stock:

Cable cos to share access on 50,000 Wi-Fi hotspots
Cable TV companies are trying to give their customers another reason not to cancel their service: better access to Wi-Fi hotspots.

Hundreds of Harry Potter fans abandon pet owls after series ends
People will go to great lengths to imitate pop culture characters they adore, and Harry Potter fans are no different. Forget the cheesy Halloween costumes and silly accents: Some fans even adopted pet owls after seeing or reading about them in Harry … Continue reading →

What World War II Can Teach Us About Climate Change
Downplaying or ignoring a coming catastrophe won't make it go away.

Watch: Control Your Computer With the Wave of a Hand
Leap Motion is a new accessory that can track subtle finger movements.

Gadgets: iPad as Etch A Sketch
ABC News' gadget roundup this week features the nostalgically fun Etch A Sketch case for the iPad, a USB battery fuel cell charger for smartphones, and HP's newest Spectre XT ultrabook. Click through for more exciting gadget picks this week.