Ever heard of a small company called Adobe? How about Autodesk? Or how about every antivirus company on the planet? They might all not have an explicitly rec

Ever heard of a small company called Adobe? How about Autodesk? Or how about every antivirus company on the planet? They might all not have an explicitly recurring revenue stream, but the updates to the software damned near mandate the purchase of a new license to prevent problems with incompatibility.