Anything you can use to stimulate your empathy.
“Crafting a design persona is an intense exercise that requires the the time and involvement of team members throughout your company. While the work may seem daunting, it is well worth it. By investing in your product’s design persona, you are investing in future advocates of your product—and creating a source of design inspiration for your team.”
(Meg Dickey-Kurdziolek a.k.a. @megak ~ A List Apart) ★