Well you kind of do contribute to Uber&#x27;s value for others by using it and not other service, but not as significantly as with social networks. You use an app, drivers see there is a demand for it, more drivers, better service, you ever so slightly increased Uber&#x27;s value against its rivals.<p>This is true for every service, only the value of individual contribution differs: huge for facebook, pretty big for &quot;real life&quot; businesses (uber, airbnb), quite minor for &quot;online only&quot; (non-multiplayer videogames).