adingbatponder<p>There was a German or Austrian guy who because well known because he managed to publish a large database showing conclusively that many special offers in supermarkets were rigged nonsense ... anyone remember who this was and whether there is a website for this? <a href="https://fosstodon.org/tags/prices" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>prices</span></a> <a href="https://fosstodon.org/tags/FoodPrices" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>FoodPrices</span></a> <a href="https://fosstodon.org/tags/supermark" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>supermark</span></a></p>