If not program, getting a better idea of the constraints of the final application / website would be a start.
For example, learning that web fonts render differently in each browser (so, even if the desktop font looks great in Photoshop, it might not be readable enough in the real application), or the concept of fallback fonts, could be an eye opener for more traditional designers that only deal with static mockups.
For example, learning that web fonts render differently in each browser (so, even if the desktop font looks great in Photoshop, it might not be readable enough in the real application), or the concept of fallback fonts, could be an eye opener for more traditional designers that only deal with static mockups.