>It's about your programs popularity. If you have a lot of users your program will be crack of course. I didn't see any microsoft or autodesk program hadn't cracked.
Not only popularity of course. There are many reasons but yes you are right - even the biggest software companies in the world are unable to develop full-proof protections.
In the End, we will remember not the words of our enemies, but the silence of our friends - Martin Luther King, Jr.