1,724 karma · joined December 8, 2009
The usual solution here is an optical coupling of some kind - optocouplers (a box with a LED, photodiode, and air gap between them) are very common for this purpose, and are an inexpensive and effective option for digital signaling across an isolation boundary.
In this case they’ve basically built a custom optocoupler out of discrete components, which is a bit unusual, but makes sense when you consider the risk of corrosion due to water ingress at the diagnostic ports, and the need to access it while - for example - a dishwasher cycle is running.
1. Processing shall be lawful only if and to the extent that at least one of the following applies:
(a) the data subject has given consent to the processing of his or her personal data for one or more specific purposes;
(b) processing is necessary for the performance of a contract to which the data subject is party or in order to take steps at the request of the data subject prior to entering into a contract
[.. other permissible purposes snipped ..]
Generally, the GDPR issues with sending to another country boil down to whether the EU accepts that the other country's government will allow the company protect the data in ways compatible with the GDPR. When sending that data to another company happens for reasons incidental to the permissible purpose of your data (eg EU-to-EU data processed in the US) this becomes an issue, as you've not consented to that risk. If you are specifically requesting that your data be sent to, say, the US, however, then processing that data in the US becomes necessary and thus much more justified.
From a technical perspective, you can certainly silo your data and transfer only as needed. This is however way more complicated, as you need to now deal with the fact that you're potentially performing joins across high-latency datastores, where you might need to be careful about what query data you're sending across the wire, and where your different silos need to apply access controls against each other. If you didn't engineer for this from the start, it's a big shift in architecture.
Practically speaking, running FB in a way that doesn't transfer anything out of the EU would involve either:
1. Siloing off the EU facebook, with no contact with the US side
or
2. Building a federated facebook, which transfers across e.g. only the timeline entries US friends are granted view access to
The former would not be well-accepted, as it would cut off communication from e.g. international relatives, and would be a rather large project to launch. The latter would be an even bigger rearchitecture, which would likely take, at a minimum, several years to complete, since it's unlikely this was ever anticipated as being a possibility when FB was originally created.
So, I sympathize with them - while in the long term they might be able to find a solution, in the short-to-medium term, FB would have no choice to stop operating.
Standing would presumably be with the party which refused bitcoin payment in satisfaction of a debt.
For more information on supported addressing modes, see the manual: https://www.intel.com/content/www/us/en/develop/download/int... (specifically volume 1, section 3.7.5)