Should be mandatory. Things like facebook took off because of network effects not because of the quality of the platform. Being able to migrate all your contacts/ chat/ tweets/ etc somewhere else seemlessly should be enforced by the gov to allow for actual competition. else you end up with first player advantage and network effects being unsurmountable and creating de facto monopolies with 0 benefit for the customer, in an environment that has low set up costs and you should see fierce competition.
Should be mandatory. Things like facebook took off because of network effects not because of the quality of the platform. Being able to migrate all your contacts/ chat/ tweets/ etc somewhere else seemlessly should be enforced by the gov to allow for actual competition. else you end up with first player advantage and network effects being unsurmountable and creating de facto monopolies with 0 benefit for the customer, in an environment that has low set up costs and you should see fierce competition.