On 2018 Barcelona hosted the Sharing Cities Summit. It constituted the largest encounter of cities focused on sharing economy, with 50 attending cities from all continents.
The programme included activities addressed to governments, like the presentation and signature of the Declaration of the Sharing Principles and Commitments. The other half of the programme were meetups, conferences and workshops addressed to all actors. As a result: 4 days intense days that resulted in generating a great deal of data, archived in the following site for future research.