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The Dulin Report

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The future is bright Mar 30, 2025 Are developer jobs truly in decline? Jun 29, 2024 On Amazon Prime Video’s move to a monolith May 14, 2023 Some thoughts on the latest LastPass fiasco Mar 5, 2023 Working from home works as well as any distributed team Nov 25, 2022 Things to be Thankful for Nov 24, 2022 All developers should know UNIX Jun 30, 2022 Java is no longer relevant May 29, 2022 Automation and coding tools for pet projects on the Apple hardware May 28, 2022 Peloton could monetize these ideas if they only listen May 15, 2022 Tools of the craft Dec 18, 2021 Should we abolish Section 230 ? Feb 1, 2021 The passwords are no longer a necessity. Let’s find a good alternative. Mar 2, 2020 Configuring Peloton Apple Health integration Feb 16, 2019 Returning security back to the user Feb 2, 2019 Adobe Creative Cloud is an example of iPad replacing a laptop Jan 3, 2019 Apple Watch Series 3 is a gem worth waiting for May 28, 2018 I downloaded my Facebook data. Nothing there surprised me. Apr 14, 2018 Facebook is the new Microsoft Apr 14, 2018 Quick guide to Internet privacy for families Apr 7, 2018 Nobody wants your app Aug 2, 2017 I built an ultimate development environment for iPad Pro. Here is how. Jul 21, 2017 TDWI 2017, Chicago, IL: Architecting Modern Big Data API Ecosystems May 30, 2017 I tried an Apple Watch for two days and I hated it Mar 30, 2017 Windows 10: a confession from an iOS traitor Jan 4, 2017 Apple’s recent announcements have been underwhelming Oct 29, 2016 Don't trust your cloud service until you've read the terms Sep 27, 2016 What I learned from using Amazon Alexa for a month Sep 7, 2016 Why I switched to Android and Google Project Fi and why should you Aug 28, 2016 In Support Of Gary Johnson Jun 13, 2016 Files and folders: apps vs documents May 26, 2016 Operations costs are the Achille's heel of NoSQL Nov 23, 2015 We Live in a Mobile Device Notification Hell Aug 22, 2015 Big Data Should Be Used To Make Ads More Relevant Jul 29, 2015 Attracting STEM Graduates to Traditional Enterprise IT Jul 4, 2015 Why I am not Getting an Apple Watch For Now: Or Ever Apr 26, 2015 Apple is (or was) the Biggest User of Apache Cassandra Apr 23, 2015 Microsoft and Apple Have Everything to Lose if Chromebooks Succeed Mar 31, 2015

I downloaded my Facebook data. Nothing there surprised me.

April 14, 2018

I downloaded my Facebook data. For the most part, I didn’t find anything there that I didn’t voluntarily provide to Facebook. It’s worth noting a few things that people should pay attention to.

Contacts


When you install Facebook, it asks you for access to your Contacts. This is so it can help you find more friends to connect with and so you can use your Contacts with Messenger. Or so I thought.

Your contacts get uploaded to Facebook who then has complete reign over it. They can sell that data to advertisers; they can use your connections to sell you ads, you name it.

It also appears they permanently retain your contacts. Even if you clean up your address book somehow, Facebook will still keep your old contacts on file.

If you are using your Contacts app to store passwords and codes — bad idea! I strongly recommend using something like 1Password for managing your passwords.

While your contact information is public anyway, what I find disturbing is the widespread sharing of contacts with entities I am not doing business.

Consider a scenario where you create a private email account to use with your friends and business associates that you hope will be free of spam, unsolicited email, etc. You update your business card in Contacts to have that address, and you share it with your associates.

Now, one of your associates installs a game and lets it have access to their Contacts so it can find their friends. That’s it! Now your private contact info is out there, shared with spammers and advertisers. I find that upsetting and so should you.

Sadly there is little you can do. I wish there were a way to mark a contact card as “Do Not Re-share” such that only I, as an owner of it, can share directly with people. Alas, this doesn’t exist and as long as contacts can be shared your information will continue to float out there in the ether.

Advertisers


The exported data shows your interactions with advertisers. Most interestingly it shows you advertisers that already had your name in their files and had Facebook specifically target you.

Some of these advertisers I was aware of as I’ve done business with them. The rest of them, however, must have obtained my name from some data broker. I find that shady, but not surprising.

Messenger


The data export contains all private messages you ever exchanged using Messenger. Somehow I had the impression of Messenger being a walled garden and a private island but turns out that Facebook scans your messages and retains them permanently in clear text.

I am not surprised. Bear in mind that your cell phone company can read your SMS messages, your employer can read the words you send over corporate channels, and a phpBB/Tapatalk administrator can also see the messages you send. If you want real privacy, you have to look elsewhere. I strongly recommend using Apple products and iMessage for texting.

Final thoughts


There was nothing in the data Facebook collected on me that I found surprising. Most of the data were stuff I have willingly and voluntarily provided to Facebook. The only disappointment was their retention of Messenger communications.