Todd Johnson

The data team at Urban Airship has a simple objective: to empower our customers to understand the behavior of users within their app, especially as it relates to the success of their messaging campaigns. An issue arose with timestamps though — we see a lot of events that claim to have happened before Urban Airship was founded, and a non-trivial number that claim to come from the future. Sorting this out has been (and continues to be) an adventure, to say the least. Let us explain!