Occasionally you learn something you never knew.
For example, I was entirely unaware that there were Kangaroos in Indonesia (albeit rare ones).
Indonesia to Return Rare Kangaroos to Papua Forests
In a search for some economics to make this fact relevant to this blog this quote saves the day:
Conservationists say the illegal trade in animals remains a threat to many species in Indonesia.
although I must again express ignorance of the trade in rare Kangaroos and have certainly never been offered one in my local ale house.