Fake Registrations

Last weekend, I’ve been approached that there were fake registrations on, causing fraud-reports and RBL-listings (causing reject of mails from this server) and if I could help. Google reCaptcha The first idea mentioned in the fraud inquiry was Google reCaptcha. But that was already in the form without impact to those kind of fraudulent […]


The Fraport Cautionary Tale 2018

We were discussing, if we should publish this, but feel it is an important example for many airports, but also confirms the “unfounded accussations” of airline managers about the data quality provided by airports. Session 1: Fraport Bulgaria 2017 Last year already, we found Fraport Bulgaria to be “shining example” by beautifying their catchment areas. Fraport […]


LinkedIn and

Jürgen has written a little longer summary about our reasoning moving our news from the LinkedIn to this “Newsblog”, and our experience with using LinkedIn to promote news and updates. He also mentions, why we use “The Isochrones People” ourselves despite our recent post that Isochrones are not Catchment Areas. Food for Thought: LinkedIn & […]