segmentio/analytics.js-integrations — pull request #448 by DirtyAnalytics (2014-10-31 20:10:09+00:00)
Title: Amplitude domain

I can't figure out the testing... I saw GA does some similar stuff in setting things before the library loads (anonymize IP) or right after the library loads (custom dimensions).

I think @yields knows how to do the before initialize testing?