The ninth episode of our fortnightly digital marketing news updates. 

1. Google Explains How Canonical URLs Are Chosen: http://bit.ly/2kufD7a
2. Google are allowing all developers access to their differential privacy tool: https://engt.co/2mohkDR
3. Google Is Prohibiting Advertisements for ‘Speculative and Experimental’ Medical Treatments: http://bit.ly/2m8uxR5
4. Facebook Are Testing Two New Ad Features: https://mklnd.com/2kcljCK
5. Google Changes Nofollow Attribute And Announces 2 New Attributes: http://bit.ly/2m5RmEN
6. Facebook are changing how they handle user location data: https://mklnd.com/2kseflD
7. Microsoft Ads can Now Identify Negative Keywords That Conflict In Shopping Campaigns: http://bit.ly/2lKQ6qK
8. Facebook Creates New Way to Build Audience Through Stories: https://mklnd.com/2kxalIh
9. The Google Ads App Showing Campaign Optimisation Scores: http://bit.ly/2kQ6tSv
10. Google Have Updated Their Search Rankings to Favour Original News: https://bit.ly/2kl8NRi