> The GPL does put restriction on use. If you make modification to the code and do not share those modifications, you are constrained from using the code you mo

> The GPL does put restriction on use. If you make modification to the code and do not share those modifications, you are constrained from using the code you modified. This is is only true if you consider distribution as part of "use". You're fully entitled to privately run modified GPL code, even as a server or whatevs if it's not AGPL.