PR Matters Day 2.0 you're not alone. It would be good to have some sort of practical workshop on how to do stuff on your phone or tablet. Basic intermediate and advanced even.
Examples of the kinds of things people might be interested in - how to:
set up a social media account on your phone, tablet or laptop
find other accounts that would be useful to follow,
post news items/share items
tag profiles,
set notifications for when people you follow post updates.
set timers for when you want stuff to go out