Twilio Segment Customer Data Platform

Twilio describes Segment as a cross-platform analytics data collector:

Use one API to collect analytics data, across any platform.
Join 20,000+ businesses that use Segment’s software and APIs to collect, clean, and control their customer data.

Segment is one of a bunch of trackers used without user notice in LastPass, as reported for example on AndroidPolice, referencing e.g. Exodus and researcher Mike Kuketz.