If you have the resources, entire companies now exist to help you define, create and market your brand. Because it's your passport to freedom from any job, any cubicle horror, even any existing self employment that just doesn't fit. Your brand is the unique combination of you that cannot be duplicated anywhere by anyone. Look around you. It has already begun.
Companies downsize, merge, or are simply obsolete overnight.
You've always been a banker, or a doctor, or an attorney and you're certain you're safe. Your security has never been outside of you, but now it is more important than ever that you learn and embrace that truth. The internet will provide a medium of connection for employers to find consultants and for consultants to find gigs. Whether you are a company or an individual, you must have a distinctive set of offerings that will encourage others to pay you. If you've identified your brand, it will be exciting.