Are people always smiling at the computer? My face rests with a frown. The more intent I'm thinking, the more likely I'm frowning, then CAT! Which is realistic

Are people always smiling at the computer? My face rests with a frown. The more intent I'm thinking, the more likely I'm frowning, then CAT! Which is realistic at least. Inverse it and you can tell when you're probably not working, for task reminders, upcoming meetings.