I think the internet has enabled people to build up a lot of knowledge about what to look for and then obviously find it quicker. In 1987 I did a tour of the Great Lakes onboard HMS Fife (RoyalNavy) Calling at St John's,Quebec, Montreal , Toronto.CHICAGO, MILWAUKEE and CLEVELAND. Went in all sorts of record shops especially in Chicago and came back with Fxxk all. Didn't have a clue.