They may not even have to target their message. If a platform's users already have a bias (and this seems to be the case[0]), then they can display the "go vote" message globally and have the desired affect. All while waving the public good PR flag.
This assumes the platform's wishes aligns with their users, but this may be self-fulfilling.
I've found the binlist.net to be fairly reliable for retrieving BINs, plus their data is on GitHub if you want to grab it all. A quick Google show a bunch of similar services, although I'm not sure of their accuracy.
This is exactly the same thing that let someone delete Mat Honan's (Wired author) accounts back in 2012:
Apple tech support gave the hackers access to my iCloud account. Amazon tech support gave them the ability to see a piece of information — a partial credit card number — that Apple used to release information.
Movie Recommendation as a Service (MRaas)? Or curation - if it isn't out there yet it will come.
Something with humans, since it would be easy to imagine algorithms getting stuck in a very narrow genre (like when you give a Pandora channel too many songs and it ends up with the same 20 tracks or covers thereof). Plus giving you that commitment to see the movie through.
Or just head to reddit[1] or equivalent communities.
In the hosted eCommerce space BigCommerce, Volusion, SquareSpace and Miva are some of the biggest competitors. Magento Go is/has been shut down, but other downloadable carts are now moving to a hosted model like PrestaShop and LemonStand. Self-hosted options also abound, many of them free (and open source), like WooCommerce, OpenCart and Magento.
Shopify's POS is more of an add-on for an online store, competing with the likes of Square, Lightspeed and Shopkeep.
https://en.wikipedia.org/wiki/IKEA_effect