Happyforce is a real time tool so your employees will be very spontaneous, and you will get different types of comments:
Positive feedback on specific aspects of the company that are appreciated by your employees: incentives, inspiring managers, organization values, etc.
Things to be improved:
Specific aspects of the company that generate concern: salaries, managers' performance, relationship with team mates, etc.
Operational issues: parking, cleaning, air conditioning/heat, cafeteria food, etc.
This feedback doesn't give us actionable data to work with but it usually adds a little fun to the atmosphere (jokes, "It's Friday!", birthday messages, etc)