Maybe there should be a "premium" option for an automated nightly conference call, where employees can call in and confirm that they replied to the nightly status email, and also share any cool stories about what it was like to be away from the office for a few hours. It would be a great team building exercise.
Another productivity booster is chemical castration. Families really eat up a lot of time, which ends up costing the companies. Employees who voluntarily get vasectomies could be given a 15% spot bonus.