Wikipedia tells me that "Google Trends is a public web facility of Google Inc., based on Google Search, that shows how often a particular search-term is entered relative to the total search-volume across various regions of the world, and in various languages. The horizontal axis of the main graph represents time (starting from 2004), and the vertical is how often a term is searched for relative to the total number of searches, globally."
On a whim this morning I put the search term "genealogy" into Google trends to see how popular the term is in relation to other search terms. And what did I find? It appears that since 2004 the term "genealogy" has lost popularity in relation to other search terms on Google. Now I don't think that the pursuit of genealogy is declining; my theory is that people searching for "genealogy" were probably early adopters of the Google search engine.
What do you think?