For those of you who are not sure how to tag Happy Book Guest and enable personalized recommendations , please come and take a look.
first step:
Find [my],
Click to enter;
Step two:
Find the [Settings Icon],
Click to enter;
Step three:
Find [Understanding and Managing Personalized Recommendations],
Click to enter;
Step 4:
Check [Personalized Recommendation] to turn it on.
Just save the settings.
