It would seem that post-apocalyptic fiction is mostly likely to be written where a country has achieved a high level of development in terms of civilization or power in the world. (bookbrowse.com)
At higher levels of development, some SaaS companies start earning more customers simply because they have so many existing customers talking about them and working with them on a regular basis. (audiencebloom.com)
The toy should introduce skills that are age - specific, growing with the child to the next level of development. (pregnancy-info.net)