Job-hunting has changed dramatically over the last few years with the help of the Internet. These days, you can send your resume to hundreds of prospective employers and search thousands of job sites, all with the click of a mouse. And with many companies desperate for good workers, more than two-thirds of employers now use the Internet to post open positions. Experts say job hunting online is not difficult if you know what to do and where to go so, what do you need to know before you post your resume on-line? What are the best job sites? Join Juan Williams and guests for a look at the do's and don'ts of job hunting on the web.