But
Also CMU has been doing this and they were the most vocal at this meeting , Alex Waibel 's group. And they have  said , I talked to the student who had done this ,  that with two fairly inexpensive cameras they  they just recorded all the time
Mm - hmm.
and were able to get all the information from  or maybe it was three  from all the parts of the room. So I think we would be  we might lose the chance to use this data for somebody later who wants to do some kind of processing on it if we don't collect it  at all.