A built-in iPhone app lets you have private conversations with friends—because some things are meant to stay between you.

Victoria’s Secret’s new iteration of its iPhone application plays up a message center where the brand will continuously push out content. In-app messaging and push notifications play a ...

Whether you're planning a surprise party or coordinating something discreet, you don't have to rely on third-party apps like Signal to keep your messages secret. With just your iPhone's built-in ...