"Rise of the Plagiosphere"

We have sadly reached a day in age where we have to constantly ask ourselves "Did someone already say/write this? And if so, do I have the freedom to express what I feel or think without being told I plagiarised? When companies and/or people can patent or copyright a word or phrase that is used in everday life and in casual conversation, you have to stop and ask yourself when is enough enough? There are apparently no truly original statements or conversations anymore if that is the case. In some situations, it really is a case of blatant plagiarism, and those who do commit this crime, should be punished, but if it is merely accidental, is it right to punish to offender? The effects of the internet have only increased the risks of plagiarism.