Google Project Fi is full of promise and questions

Google Project Fi, which features one of the company's most rational names for a project ("Loon" anyone?), is a real thing — or at least as real as any Google experiment can be — and ready to offer millions of Americans cheaper and potentially smarter mobile access plans.

The bare-bones specifics are:

• A mobile virtual network operator (MVNO) supported by T-Mobile and Sprint

• Support for exactly one smartphone: the phablet-sized Nexus 6

• $20 a month service plans

• Additional $10 a month per GB of data, with credit for unused data

• Cloud-based phone numbers for ubiquitous access to calls and texting Read more...