No don't think its dead, its changed a bit but nothing on the net stays the same and the collectors are still out there. The people that sell generic items may struggle a little as their up against the likes of Amazon now and every shop seems to have a good online presence now.

Just did a basic search for books and it came up with 40 million listings in the UK and some of those are going to be bundles. Dresses come up with nearly 2 million ect