COVER

2. Doing Good By Texting (Mobile Technology)

Jed Alpert is harnessing cell phones in the name of charity and social change

3. Bye-Bye, Wallets (Mobile Technology)

Can a phone replace your cards and cash? Our field test

4. The Phone Knows All (Mobile Technology)

How companies and cops snoop on your digital life — whether you realize it or not

6. The Grid Is Winning (Mobile Technology)

This rural community may finally get cell service. But residents aren't sure they want it

8. Toys Get Unplugged (Mobile Technology)

Our tech columnist picks gadgets that belong in your mobile survival kit

9. Gadgets Go To Class (Mobile Technology)

Instead of banning kids' phones, some schools are starting to embrace them

10. Disease Can't Hide (Mobile Technology)

How cheap phones — and quick thumbs — are saving lives in Uganda

IN THE ARENA

Paul Ryan's Grand Vision

Maybe the GOP's vice-presidential pick has a plan for the well-off, but what about everyone else?

THE CULTURE

ESSAY