A quick addendum to Stealing Your Address Book

For my recent article Stealing Your Address Book, I reached out to 15 developers of popular iOS apps and discovered that 13 had enormous contacts databases. I need to add two things:

First, all of the developers I reached out to have social apps with a “find friends” flow.

Second, for obvious reasons, I promised the developers I reached out to that I would never reveal who they are. Many of them have, since last week, changed their practices.


Now read this

Facebook’s numbers

I like to look at raw numbers every once in a while, without external influence, to recalibrate my ability to judge the magnitude of things. Here are some of the numbers from Facebook’s most recent S-1 filing (published on May 3rd) which... Continue →

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