Ooh, this is a tough one. I was initially going to inquire why someone like Binney, Drake, or Snowden couldn't just testify to the fact that they could retriev

Ooh, this is a tough one. I was initially going to inquire why someone like Binney, Drake, or Snowden couldn't just testify to the fact that they could retrieve results where the source data obviously was not (or could not have been) collected through one of the PRISM partners. But because of Wikipedia's general transparency, the gov't could just come claim that, say, the IP associated with the edit history was retrieved at the time of the search or something so it doesn't prove bulk collection. I guess you'd have to have a search that returns data clearly not public like the Wikipedia viewing habits associated with a given selector or set of selectors. E.g., something that necessitates having stored the bulk data at a previous point in time.