Slack just made apps for its chat service way more useful

Workplace chat service Slack will now let users interact with third-party services without ever having to leave the app. The new feature, called message buttons, lets companies create interactive Slack apps for performing tasks from within the chat window, like approving expense reports or booking a trip. For example, companies that rely on the project-management software Trello can now create new project cards, add members to those cards, and set due dates for the project all by clicking button