How many unique user sessions did you have in the last week?
Were your unique user sessions up or down last week compared to the week before?
How can I graph the number of unique users yesterday compared to the day before?
How many of your mobile users are on the latest OS version?
What is the Apdex score for a particularly important customer? If you have defined some custom attributes, you can query to monitor how this customer experiences your app from a performance standpoint: