In reply to Andre.

"Press This" is a bit of software and can't be held liable for anything. It is a tool of convenience and yes it can also be used to facilitate the infringement of copyright. But, as someone has said, so too can copy and paste. The tool itself doesn't 'coerce' anyone.

The real issue - I think - lies in people's misunderstanding, or lack of knowledge, as to what they can and cannot do with copyright content. If they do know and want to run the risk, that's their choice. If they don't know and do something that runs the risk, I'm afraid they're potentially liable for infringement. That's just how it is. This sort of tool is really no different to all manner of clipping tools and services that have been around since at least, say, the earlyish 2000s.

Limiting the percentage one can take to, say, 10% (or any other percentage) would be arbitrary and would defeat entirely legitimate uses such as copying an entire article that is licensed under a Creative Commons licence or released to the public domain under CC0. The same sort of sentiment applies to copying images.