You’ve just arrived at the office, booted up your computer or laptop, and filled your first cup of coffee. You sit back down, take a sip, and what do you see? Chances are it’s a login screen. Hastily, you type in your username and password and get on with a productive day. At least that was the idea, until you remember you forgot to send Karen from HR your vacation request form. You try to reach her by email but to no avail, so you boot up the informal messenger that everyone in the office uses because the legacy messenger…