Android users have long complained that texting someone with an iPhone on iMessage is an unpleasant experience. The Justice Department argues it is also an example of anti-competitive behavior.
The billionaire sued the Center for Countering Digital Hate after the group published a series of reports detailing an uptick of hate speech on X, the platform formerly known as Twitter.
Justice Department officials have launched an investigation into the bank amid growing questions about who shares responsibility for the largest bank failure since the 2008 collapse.
The messaging app Telegram has been heavily used by both sides in the war in Ukraine. But privacy experts say people using the service should be wary of the app s level of security.