$300K lesson: Stop online harassment.

If you learn that an employee is using the internet to harass and bully a co-worker, you can't just turn a blind eye because it's not happening "on your property." Employers are required to investigate any and all types of harassment complaints.

Recent case: The EEOC filed a lawsuit against United Airlines, saying the company knew for years that one of its pilots had been posting sexually explicit photos of a flight attendant online without her consent.

Despite the flight attendant's numerous complaints to United, the company did nothing and the pilot continued to post...