# Android Contacts, the Social Graph Collider

DevFeed: [Android Contacts, the Social Graph Collider](<https://devfeed.tech/articles/android-contacts-the-social-graph-collider-1733.md>)

Original publisher: [Read original article](<https://signal.org/blog/android-contacts-the-social-graph-collider/>)

Published: 2014-01-13T00:00:00Z

Content type: article

Language: en

Sources: [Signal Blog](<https://devfeed.tech/sources/signal-blog.md>)

Topics: [data](<https://devfeed.tech/topics/data.md>), [Google](<https://devfeed.tech/topics/google.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [apis](<https://devfeed.tech/tags/apis.md>), [data](<https://devfeed.tech/tags/data.md>), [google](<https://devfeed.tech/tags/google.md>), [graphs](<https://devfeed.tech/tags/graphs.md>), [server](<https://devfeed.tech/tags/server.md>), [sync](<https://devfeed.tech/tags/sync.md>)

## AI overview

The article outlines Secure Sync, an encrypted Android contact and calendar synchronization concept, then examines how Android's Contacts Provider organizes contact data and accounts as an example of social-graph risks.

## Source excerpt

Winter Break of Code, Day Seven Spring Break of Code 2013 I cut open my foot and hand while surfing; both wounds easily warranted stitches. Winter Break of Code 2014 I banged the top of my foot surfing over some coral; the cuts were sealed within minutes. Spring Break of Code 2013 I struggled with the Android SDK, while Winter Break of Code 2014 I caught myself taking a few too many short-cuts. On day zero nothing is easy, but over time you improve, spilling a little less blood every time. Read more...