Check out Jump over these obstacles to website personalization by Antti Hietala. Here is an excerpt:
What do you think are the primary obstacles that prevent companies from personalizing their website?
- Unproven ROI?
- Don’t know who to target?
- Tools are difficult to use?
Nope. Those were my guesses but they all proved wrong.
“We haven’t managed to get started”
In 2016 we interviewed 50
The full article is available here.