Alicia Keys and Lady Gaga take charity work seriously, and they're going offline to prove it.
Gaga, Justin Timberlake, Usher and other celebrities have joined a new campaign called Digital Life Sacrifice on behalf of Keys' charity, Keep a Child Alive. The entertainers plan to sign off from social media platforms like Facebook and Twitter on Wednesday, which is World AIDS Day. The participants will sign back on when the charity raises $1 million.
For the campaign, celebrities have filmed "last tweet and testament" videos and will appear in ads showing them lying in coffins to represent what the campaign calls their digital deaths.