A Tale of Two Cities? A Q&A With Gavin Newsom on San Francisco’s History of “Animus” With Tech.

“Hats off, I want to compliment them, they did more than what I was able to do, but my God, it’s inadequate to the moment and the future that we’re living in.”

Calling Overseas on Wi-Fi

Walt Mossberg answers a reader’s question about using Wi-Fi to make international calls.

Tablet Buyer’s Wi-Fi Goof

Walt answers a question from a reader who unintentionally bought a Wi-Fi-only tablet: Can it be activated for 4G cellular service?

Smartphone With Wi-Fi Smarts

Republic Wireless is offering a clever, modern service on a good smartphone, and is showing that Wi-Fi calls can be as good as cellular ones.

AllThingsD Week In Review: AppSung 2, Internet Funneling and Inside Microsoft’s CEO Search

The Top 10 stories that powered AllThingsD this week, in one convenient post.

Southwest to Be First With Gate-to-Gate Wi-Fi Service

The airline, which uses a different inflight Internet technology than other U.S. carriers, plans to announce the service on Thursday.

Wi-Fi(delity) in a Smaller Sonos

Sonos has come out with a lower-priced, smaller model that preserves its quality sound and its modular, wireless connection system.

An iPad That’s Mini in Screen Size Only

Apple’s new iPad mini has the same screen resolution and chip for faster processing as the iPad Air.

Gogo Adds Talking and Texting Capabilities, but U.S. Fliers Won’t Be Making Voice Calls Any Time Soon

The service uses a custom app for iPhones and Android devices to allow calls and texts.

Speed and Power Packed Into a Thin iPad Air

This new iPad isn’t a radical rethinking of what a tablet can be, but it’s a major improvement on a successful product, says Walt. And it’s the best tablet he’s ever reviewed.