>>> fair-use detection into content-id -- if the clip is less than 30 seconds or 10% of the work (or whatever threshold makes sense legally), then it's fair use

>>> fair-use detection into content-id -- if the clip is less than 30 seconds or 10% of the work (or whatever threshold makes sense legally), then it's fair use, period, can't submit a claim on that. That isn't how fair use works. 30 seconds might not be fair use and 10 minutes might, depending on how they're used.