But there is such a thing as over-specialisation. The 'long tail' niche is a myth when you have a gorilla that provides an adequate solution. And especially in

But there is such a thing as over-specialisation. The 'long tail' niche is a myth when you have a gorilla that provides an adequate solution. And especially in a small country (i.e., market) and anything social (effectively lots of teeny tiny markets) getting the sort of volume to make it sustainable is going to be almost impossible. I imagine New Zealand is a similar market as the Netherlands. Here, TradeMe.co.nz completely owns the second-hand sales market (eBay/craigslist). If you want to sell something, that's where you go because you know that's where all the buyers are. Sure it's not a targeted social app for textbooks, but who cares, you don't need it to sell a textbook!