In case you don't know, Google Trends is a fantastic tool - it lets you look at search terms over time and view trends. It can, for instance, tell you if interest in something is growing or diminishing based on how many people are searching for it.
Of course it can't tell if the searches are for negative or positive information ...
Here's some results for JW related terms:
They seem to have had a boost in the last 5 years as they embraced the Internet but it looks like things are now starting to wane.
And just to make us all feel better, here's what happens if you add something else into the mix:
Yes, the WTS, proclaimers of God's message and all that ... are now less interesting than Lipstick.