Focus on channels and mediums your staff use regularly. There’s no point sending out emails about how to plan for retirement to staff who are based on an oil rig, with no Internet access. On the other hand, if you know your workforce is glued to their phones, you’ll perhaps want to utilise texts.
Whilst digital is all the rage, don’t discount more traditional mediums such as print and face-to-face meetings. But remember: It’s not about the way you like communicating – it’s about how your staff like receiving information. (Not sure? Survey them!)