we move to activity resolution. >> translation, it's not just about satellite photos anymore. now the patterns of behavior they reveal are much more telling. >> when i worked in this business in the '80s, patterns were developed, weeks at best, months, years more likely. patterns these days are days at worst and hours, more likely. so trying to find the pattern in the noise is the real trick. >> and when we speak about patterns, it's how often does this terrorist leader visit this compound and when? >> that's right. >> that's what we're talking about? or in the case of the mysterious compound, it was about normal things that were not happening. >> they didn't seem to do anything very ordinary, like going to see a movie or going out grocery shopping. they seemed to be staying in the compound. that was mysterious. >> they had no internet connection, burned their trash and rarely left. but patterns also showed someone pacing in the garden.