Policies
Acceptable Use
Social Media
“dangerous” sites - eg don’t go to hacking sites on the work network
Email
No personal emails
Monitoring
Eg video recording in the workplace
GPS locations
Both monitoring of employees and by employees
NDA
Not talking about who your customers / clients are
The SANS Institute policies linked below are free to use and modify to suit your needs. But remove the americanisms and they are a bit outdated (2014) - see social media policy or lack thereof.