No might. PRISM means everything is being catalogued. Active surveillance is a tool for the neanderthal. Algorithms are already used, something closer to true AI is next if not already being used, to correlate data across the rest of the surface level Western internet. Right now, these words are logged on an NSA server. No one is actually looking at them, but they are stored so that may occur at any point in the future. Meanwhile, computers are crunching this raw data and feeding the algorithm to get better at recognizing patterns and "threats".