It's amazing how internet marketing has changed over the years. Tasks that took weeks to do can now be done within minutes with software. Costs of production have also been drastically reduced. I remember my first website and audio cost me over $6000. That's Frightening! Today the same website, with additional audio and video can be created for under $1500.
There are also vast markets emerging - ones like marketing to local businesses, mobile marketing, social media marketing,...