I'm maintaining a web service where we ask everybody to accept the EULA (which includes required license to share the user submitted content within the site) before we accept any permanently stored user content. There has been some discussions about this and I definitely agree that asking for EULA is a huge hinderance for using the service.
However, is there any safe limit for threshold of originality for user generated content? Is there anything that couldn't exceed the threshold for international users?
For example, it seems to me that all of the following might exceed the threshold of originality:
- Starting a new discussion
- Replying to any discussion thread
- Commenting a picture
- Adding a new photo
- Creating a new blog post
- Creating a calendar event with description
- Creating a new form for others to fill in (think Google Forms alternative)
Is it possible to even assume that some length limit for text would be safe to not exceed the threshold of originality? Twitter used to have limit of 140 characters (due SMS technical limits) – could content shorter than 140 characters be covered by copyright already?
I'm looking for practical threshold and risks. I personally think that EULA is not bullet proof setup either to avoid potential copyright issues so similar level of risk would be acceptable for any service or site that faces similar issues.