DepopThe Depop company, founded in November $2011$ with the goal of building a marketplace so that friends could sell things directly from their phones and discover what their friends were selling. The App that works from a smartphone, without the need for a computer. Users can take a picture of what they want to sell and let their friends view it in real time on Facebook or Twitter. Users can Like and Comment on items, search for favorite items, chat instantly with the seller to get more information or to make an offer.Who are the service providers in the Depop model? How much of the work is being done by the consumer?