Technology & Digital Life

Corporations may have more control over online speech today than the courts. Executives determine which videos, pictures and comments are permitted and what art is allowed. Their rules govern billions of posts across the globe each day.

And those policies differ dramatically across Silicon Valley's big social platforms. Twitter calls itself the free speech wing of the free speech party and models its approach on the U.S. Constitution.

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MICHEL MARTIN, HOST:

This is TELL ME MORE from NPR News. I'm Michel Martin. They say it takes a village to raise a child, but maybe you just need a few moms in your corner. Every week, we check in with a diverse group of parents for their common sense and savvy advice.

We told you in February about Aereo, a service that allows its users to watch TV over the Internet. As we said at the time, the service was attracting waves of lawsuits.

In an unusual move on Monday, Apple CEO Tim Cook apologized to Chinese customers over the company's warranty policy and vowed to improve customer service in the country.

Steve Henn looks at this week's technology news, including a possible Facebook phone announcement on Thursday and a nod to the multiple April Fools' Day jokes on the Internet.

Social media experts Baratunde Thurston, former digital director at The Onion and author of the book How to Be Black, and Deanna Zandt, author of Share This: How You Will Change the World with Social Networking, answer questions about how to behave in the digital age. This week's topic: leaving a voicemail message in a world that relies increasingly on text-based communication.