On Sun, 15 Mar 2015 13:25:17 -0000, "Andrew Mawson"
wrote:

Do they just act as an agent or actually take responsibility for their goods
themselves?

They act as a trading venue (a bit like eBay) providing a platform for
sellers. I do not think they act as agent for the sellers but they do
appear to have an adjudication process for items not received.