I read an article once that talked about how most jobs are actually filled through "informal" means, rather than the formal process of answering an advertisement, going through an interview (or even more than one) and then receiving an offer. Most jobs, apparently, are acquired through word-of-mouth need or cold-call approaches. In the first case, it really is a matter of who you know over what you know. Someone at Company X knows a position is about to be open and lets you know while simultaneously recommending you to the company for the job. In the second case, it's about recognizing a need in a business or company, often before the company itself sees that need. For instance, you have website programming and graphic design skills, so you approach someone with a badly designed website and offer to create them a new one, in exchange for goods, services, or monetary remuneration.
What this all says to me is we need to be mindful of making sure our kids learn the value of several things. The first is networking, and I do NOT mean getting the most friends on Facebook to help you with Farmville! This is building relationships with professionals who can provide mentoring and recommendations.
The second is developing the confidence and skills to approach people while actively seeking a job. Even if the initial job application process is computer or digital based, it doesn't hurt to get dressed nicely and go visit a manager or hiring agent in person, to put a "face" to the name. While the conversation may only last a few minutes - introducing yourself to the manager and explaining your keen interest in being employed with his company - it is something that likely will stay with him as he evaluates all the prospects. (This is especially true if you follow this up with a thank you letter for his time.)
Third, is considering job opportunities where they aren't always readily apparent, as with the example of the website redesign above. This could even grow into a new business, if done right. While being self-employed has inherent risks, it also has many great benefits.
In all, we want to be sure that we aren't only helping our children with the nuts-and-bolts part of their educations. Who fought the War of 1812? What's the chemical formula for methane? We also want to be sure they have the skills necessary to support themselves in the adult world.