On the go medium! I love listening to an interesting podcast or my favourite music when I am busy doing something else. Being able to reach an audience on their terms in a personal space is truly powerful.
Programmatic in all forms – its capabilities are constantly challenging and powering change in the wider industry. Programmatic DOOH for example; a traditionally brand building medium that can now be enhanced with hyper-local targeting, real time data and measurement that was previously un-available.