Facebook to unveil 'life-saving tool' tomorrow

The social-networking titan is mum on details, but CEO Mark Zuckerberg and COO Sheryl Sandberg are slated to make their announcement tomorrow.

Mark Zuckerberg at F8 in 2010
What does Mark Zuckerberg have up his sleeve for tomorrow? Zuckerberg pictured here at F8 in 2010 James Martin/CNET

Facebook CEO Mark Zuckerberg has a potential "life-saving tool" announcement to make.

Zuckerberg will unveil the tool tomorrow during "Good Morning America," while Chief Operating Officer Sheryl Sandberg will provide more details in an interview during "World News with Dianne Sawyer," ABC said on its site today.

There are few details on the announcement, although ABC has been plugging the segment all morning. Zuckerberg will be showing off the tool at the company's Menlo Park, Calif., headquarters.
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