>Who are those people having lot of time to re-read their old message history? Everyone who has to, say, prove that they kept paying their rent for a year with

>Who are those people having lot of time to re-read their old message history? Everyone who has to, say, prove that they kept paying their rent for a year without interruptions. You sent a photo of your money transfer from the bank app to your landlord, and he sends the "received" screenshot from his bank app. Moreover, a lot (even most) people make personal notes by sending messages to themselves.