Meta today is offering more details about how it plans to make its messaging apps, WhatsApp and Messenger, interoperable with third-party messaging services, as required by the new EU law, the Digital Markets Act (DMA). The company had earlier shared that engaging with third-party chats would be an opt-in experience for users, given that the new integrations could be a source of spam and scams. It had also said that third parties would have to sign an agreement, but hadn’t until today shared the...