Some of the problems in the article are what my startup has been dealing with for a while. We are basically trying to deal with the competence issue by letting people create travel logs of their adventures (both during and post trip)and use that to make customized travel suggestions for the future. Users can basically share trips like the one below and we link up with most networks to import content from past trips. https://esplor.io/trips/k8g96my2j4vnm.