Tokyo, 2014: Mobile media in use (© Martin Irwin 2014)
Toronto, 1919: Mobile media in use (public domain)

iENA Bronze Award for CalendarCast

Our pending patent for CalendarCast was presented at the iENA International Research Fair in Nuremberg and received a bronze award.

SUR40 Linux at ACM ISS 2016

My recent paper with Martin Kaltenbrunner, "SUR40 Linux: Reanimating an Obsolete Tangible Interaction Platform" ( was presented at ACM ISS 2016 in Niagara Falls.

Tim Weissker and Andreas Berst presented our paper "The Massive Mobile Multiuser Framework:enabling ad-hoc realtime interaction on public displays with mobile devices" ( at PerDis 2016 in Oulu.

Mobile Media Group at CHI 2016

MMM Ball in action

Last week at CHI 2016, I've presented my new paper "CalenderCast: Setup-Free, Privacy-Preserving, Localized Sharing of Appointment Data" ( )

We also presented an interactive demo on our Massive Mobile Multiuser Framework, called MMM Ball:

MoBat schematic

Our semester project "MoBat: Sound-based Localization of Multiple Mobile Devices on Everyday Surfaces" was presented at ITS2015 as a work-in-progress poster. Congratulations to Adrian Kreskowski, Jakob Wagner and Jannis Bossert!

In addition, we also co-presented the poster on "pART Bench" with the Usability Research Group, and supported the ITS conference through our two student volunteers, Jannis & Jakob. Thanks to everyone involved!

Sketch of prototype © Anna Rack

Our paper "Shoe Me the Way: A Shoe-based Tactile Interface for Eyes-Free Urban Navigation" by Max Schirmer, Johannes Hartmann, Sven Bertel and myself will be presented at MobileHCI 2015 in Copenhagen on August 26th.

MMM-Ball at Summaery and Evoke

Our project "MMM Ball" was a big success at Summaery and at Evoke 2015 in Cologne, attracting almost 100 users in total and winning second place in the interactive competition. Congratulations to Tim Weißker, Andreas Berst and Johannes Hartmann!

"Privacy-Aware Location Services" at Cebit 2015

Location determination using Bluetooth LE

Our project "Privacy-Aware Location Services" will be exhibited at CeBit 2015! We show how a smartphone's location can be determined without relying on any central service (e.g. Google or GPS), thereby protecting the users' privacy. Visit us in hall 9, booth B18!

New appointment for Mobile Media Group

As of October 1st, 2014, Dr. Florian Echtler has been appointed as junior professor for mobile media.