> Public companies are required by law to retain email for 7 years I believe
Public companies have to keep audit-related communications, but not something like this [1]. It comes more from civil litigation, where the standard of proof is the preponderance of evidence. If I sue you and produce partial records, and you say you deleted everything, that can be used against you.
The aforementioned Sarbanes-Oxley act, plus the principle of "negative inference" in civil suits which dictates that a court can infer that someone refusing to testify (or destroying evidence) has something to hide. There's no 'plead the 5th' in civil suits.
Article is paywalled, but how can it be proved they’re using something like Signal? There must be at least some discussion available to be disclosured on request by law? How do they define if the subject is relevant enough to require a formal exchange between executives?
I have to imagine any requirements on email retention would apply to signal too, and that your phone with its local plaintext database can be subpoenaed.
The threat model for signal is not to get you out of your legal obligation to comply with court orders.
Apple is secretive not sneaky they aren’t trying to trick anybody. They are working on human centric computing. They have had human interface guidelines and the preservation of those guidelines is maintained through app review.
I’m sure that some form of side loading will appear soon. My guess is that all the privacy and integration will be held at arms length from the rest of the ecosystem and may just use webkit to access the user data.