I've not bought a vinyl record in over twenty years, but I still haven't ditched my old collection. And there is even a revival of the vinyl record.... Even if it goes to the extreme with (e)books we will have a market left for paper books. I for sure will support paper books till the end. ...and I still haven't begun talking about resale or second hand market. This just p---es me off with the digital market, the content providers want to own you marrow.

If I had modpoints I would mod parent up. Indeed, do not spend energy on blocking, fail instead...

This is the beauty of oss. If you can't do it yourself then someone will come to your rescue...

...scope of license. the software is licensed, not sold...

Businesses are also hopefully interested in long term costs. Here freedom in contrast to free will play a major part in the future. Closed software only exists until the vendor wants more of your money. With OSS you at least have the option to maintain (at a cost) an 'obsolete' software yourself. With closed source you have nothing... Everything costs, so this is more a discussion of freedom rather than free...

You shouldn't make any restrictions whatsoever on the machines. For several reasons: 1. Teach responsible behavior instead, 2. The students aren't stupid, they will beat you anyway, 3. They are supposed to own the machines, right(?), then they should also do what they like with the machines. ...