In addition, read the advertisements, it is amazing some of the tidbits you can learn from them. Finally, some magazines come with disks that contain code you can experiment on. On-line services provide forums of a specific topic for you to ask questions, leave messages, upload and download files, and other cool things. BBSs provide this same kind of service for members. Costs vary but are valuable if you are the dedicated type.
Most corporations have seminars to orient employees with the software used at work.
In some instances, there are more advanced courses available as well. These courses are provided either by in-house employees or third party consultants. The yellow pages, computer stores, and referrals from friends can provide you some companies to consider. If you don't have access to this kind of resource, consider the Universities or Community College System. Beta testing isn't open for everybody, but if you have the right credentials, it isn't a problem.