Offensive postings on the social networking web site Facebook led the Charlotte-Mecklenburg Schools (CMS) to fire one employee and discipline seven others.

Q. If our employee has an accident while talking on a cell phone in a company car, is the company liable to the injured party?

Hand-held devices, such as BlackBerrys, Trios, iPhones, etc., make it easy for workers to check e-mail and do work at any time of day. And your nonexempt, hourly workers may demand to be paid for that screen-time. So, when must your organization pay nonexempt employees for such off-the-clock work? There’s no clear-cut answer.

When Medical Mutual Insurance of Ohio learned that 11 computer disks mailed to state retirement groups in Columbus had not arrived, the insurer contacted the U.S. Postal Service. There was reason for concern: The disks contained personal information on 36,000 Ohio retirees.

Sinclair Community College in Dayton recently discovered that it had posted the names and Social Security numbers of almost 1,000 employees on a public web site for a year.

Here’s a cautionary tale you can tell employees when explaining they should never touch a fellow employee. With video surveillance cameras everywhere, such incidents may be caught on tape, and the employee doing the touching may have an innocent explanation that just won’t be heard over what seems to be happening on camera.

Two Durham police officers are being investigated for allegedly posting racially charged comments about President-elect Barack Obama on their MySpace web pages in the days following the election.

Say your CEO tasks you with cutting HR department costs. You know technology can help slay that cost dragon, but you have no idea where to start. Instead of combing through hundreds of vendor web sites, use these nonbiased resources to search for the right HR tech products.

Two former Neiman Marcus loss prevention investigators who were fired from Neiman Marcus in October 2007 for having sex on the job are suing the company for illegally videotaping them.

Q. We provide PDAs to virtually all our employees, some of whom are nonexempt. This enables them to send and respond to e-mails at all hours of the day and night. Does an employee’s time spent on his or her PDA outside of work count as hours worked?

When tax firm KPMG wanted to fill hundreds of positions worldwide, it held an enormous job fair that attracted 20,000 candidates. But nobody showed up in person. The two-day, round-the-clock fair was entirely online. More organizations are tapping the global reach of the Internet to recruit employees who otherwise might not come to a convention center event.

Q. Recently, an employee left our company to join a competitor. When we took a look at his computer, we found deleted e-mails and files indicating he downloaded some valuable information about our customers. We suspect he transferred it to our competitor. He was an at-will employee and we had no employment agreement with him. Is there anything we can do about this?

Q. We just hired a salesperson from a competitor. We warned her not to take proprietary information from her former employer, but she says what is on her personal laptop is her information. Is there any risk for us from that laptop?

What are the best online tools to help you get things done smarter and faster? Gina Trapani, lead blogger for Lifehacker.com and author of Upgrade Your Life, is an expert at helping people master modern technology. Here’s how everyday Joes and Janes can be like master geeks, she says.

Many of the millions who post information online never think a potential employer might read what they post. Meanwhile, employers believe that if the information is available online for the viewing, they have an obligation to look. However, several laws may restrict how you conduct the search or how you use the information.