“My first mobile phone was a huge suitcase I would put in the seat next to me,” recalls Kristina Azab. Later, she cherished her BlackBerry.

The economic incentives didn’t make sense when cellular services first became available.

Networks are clogged, and we need to build more towers, says Alana Semuels of Time magazine. But we don’t want the towers, just the service.

Makers seem to favor devices with much larger displays. Sean Hollister at The Verge recounts his search for a good small phone.

Here's how mobile virtual network operators work.

Brian Merchant has the backstory on the iPhone's creation in his new book, "The One Device: The Secret History of the iPhone"

As New York City adds a new number, the after-market 212 is thriving.