Christina Dideriksen March 27, 2018 Business and Technology, HIV Health and Wellness Grindr App to Offer H.I.V. Test Reminders Christina Dideriksen March 27, 2018 Business and Technology, HIV Health and Wellness In an effort to shrink the global AIDS epidemic, the world’s largest gay dating app is changing its software this week to urge millions of users to get frequent H.I.V. tests.