Well, generally it couldn't hurt your defense case to have exculpatory evidence on a third party server which you don't have control of, whether it be Facebook,

Well, generally it couldn't hurt your defense case to have exculpatory evidence on a third party server which you don't have control of, whether it be Facebook, Google, cell tower records, etc. Also please note that I did not day that not having social media updates is indicative of guilt in itself. Absence of evidence isn't evidence of a crime. Even if she was an obsessive social media user, maybe her phone died and she couldn't post that day.