An event poster with a simple layout, courtesy of beamer. Try scanning the QR codes with a scanner app (e.g. "Scan" on iOS; "QR Droid" on Android and see what happens!
Poster based on Dreuw & Deselaer's Poster LaTeX Template (http://www-i6.informatik.rwth-aachen.de/~dreuw/latexbeamerposter.php) and downloaded from http://www.LaTeXTemplates.com.