You can use the inspector to get detailed information on the activity of your contacts, as well as a comprehensive timeline of interactions:
Activity
To show contact activity:
- Select a contact
 - In the inspector, expand the Activity section
 
Definitions
- Created: The date the contact was created
 - Subscribed: The date the contact subscribed to your list. If the contact did not join your list via an email sign-up form, this value will be 
Never. - Unsubscribed: The date the contact unsubscribed
 - Last Sent: The date of the most recent campaign sent to this contact
 - Last Opened: The date the contact last opened an email
 - Last Clicked: The date the contact last clicked a link in an email
 - Sent: The number of campaigns sent to the contact
 - Bounced: The number of campaigns sent to the contact that bounced (hard or soft)
 - Opened: The number of campaigns the contact opened
 - Clicked: The number of campaigns the contact clicked
 - Open Rate: The number of campaigns the contact opened divided by the number of campaigns delivered (i.e. sent and did not bounce)
 - Click Rate: The number of campaigns the contact clicked divided by the number of campaigns delivered
 - Engagement: A score of Undetermined, Low, Medium, and High. Based on the number of campaigns sent, opened, and clicked. The engagement score is Undetermined until a certain number of campaigns have been sent.
 - Email Client: The last known email client that the contact used.
 - Location: The last known geographic location
 
Timeline
To show the timeline:
- Select a contact
 - In the inspector, expand the Timeline section
 
The Timeline shows a reverse-chronologically sorted list of contact-related events, including:
- Joined list
 - Unsubscribed
 - Sent campaign
 - Scheduled to receive campaign
 - Reported spam complaint
 - Email bounced
 - Opened email
 - Clicked email
 - Updated contact information
 
For campaign-related events, double-click on any event to jump to the relevant portion of the campaign report.
Increase the width of the inspector to see thumbnails of the relevant campaigns and locations.