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Quiztime
Join us and verify yourself through a little series of quizzes that we post daily on Twitter. Learn about the main tools and collaborate with others.
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Unsolved Quiztime Riddles
Overview
Which platform would you prefer for Quiztime?
Which platform would you prefer for Quiztime?
What should be Quiztime’s main platform in the future? Since 2017, we have been posting verification challenges on Twitter…
Fiete Stegers
Oct 7, 2023
Verifying the upload date of a video, picture or post in Facebook, Twitter and Instagram
Verifying the upload date of a video, picture or post in Facebook, Twitter and Instagram
As I think the title explains everything already, I will make this introduction short for once. We will try to find out the exact time a…
Youri
Jan 13, 2020
Finding clues to geolocate a image
Finding clues to geolocate a image
A famous landmark in the background — that’s of course a give-away when you are trying to identify the location where a photo or video was…
Fiete Stegers
Nov 8, 2019
Lots to learn by solving (and not solving) Quiztime riddles
Lots to learn by solving (and not solving) Quiztime riddles
A Quiztime follower who goes by the nome du guerre “NixIntel” spent quite some time looking in the wrong direction while trying to solve…
Fiete Stegers
May 20, 2019
How Does Quiztime Work?
How Does Quiztime Work?
About our collaborative verification training quizzes
Fiete Stegers
Apr 9, 2019
Quiztime in the media
Quiztime in the media
There have been several articles and blog posts about or mentioning Quiztime’s daily challenges as a way to collaboratively train…
Fiete Stegers
Apr 7, 2019
A Lamborghini, a Street View coincident and everything else
A Lamborghini, a Street View coincident and everything else
Instead of doing a write-up, I tried to visualize this case study. I’m no expert, but wanted to try this for a change and think it might…
Fiete Stegers
Apr 3, 2019
You have been doing OSINT and you didn’t know it
You have been doing OSINT and you didn’t know it
Many people have been using some of the most common OSINT tools and techniques unwittingly. Actually, most people probably don’t even know…
Youri
Mar 17, 2019
Tilman’s quiz on Twitter, February 7 2018
Tilman’s quiz on Twitter, February 7 2018
Let’s analyze another quiz posted by Tilman (@twone2). This time his question was as follows:
Youri
Jan 8, 2019
Shadows and Suncalc
Shadows and Suncalc
Calculating time using clues in a photo
Sector035
Jan 4, 2019
These link collections are great starting points for social media verification (and other research…
These link collections are great starting points for social media verification (and other research…
If want to check images, videos oder information from the web for authenticity or origin (or participate in Quiztime’s daily verification…
Fiete Stegers
Nov 24, 2018
Comparing the same geolocation on different map services
Comparing the same geolocation on different map services
When verifying photos or videos you often need to compare the image in question to online map or satellite imagery services to find out…
Fiete Stegers
Nov 18, 2018
Quiztime — July 22, 2018
Quiztime — July 22, 2018
On July 22, 2018 a regular Quiztime follower and contributor Ludo Block shared a new quiz with us. The objective was simple, as always…
Youri
Jul 22, 2018
Unsolved Quiztime riddles
Unsolved Quiztime riddles
Ships, shoes and an occasional sea
Sector035
Jul 6, 2018
How to tell the geolocation of places based on old sources using OSINT — a case study
How to tell the geolocation of places based on old sources using OSINT — a case study
Introduction
Youri
Jun 10, 2018
Quiztime — December 8, 2017
Quiztime — December 8, 2017
It’s been a while since I posted something here, but I felt it really was time to post a new article. And luckily I still had a possibly…
Sector035
May 17, 2018
Google localisation within geolocation
Google localisation within geolocation
During the recent months that I have been more active with geolocation challenges and hunting down objects, I learned a bit more about how…
Sector035
Apr 8, 2018
Quiztime — The one that got me started
Quiztime — The one that got me started
It was a Thursday in November when I read a post from Christiaan Triebert from Bellingcat about a daily quiz to train verification skills…
Sector035
Mar 31, 2018
Quiztime — February 28, 2018
Quiztime — February 28, 2018
Since November 2017 I participate in the daily verification quizzes on the internet. Every day journalists post a photo and the game is to…
Sector035
Mar 2, 2018
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