Typophile

Please ID this sans serif used by Extensis.

Quadrato

Jan Erdmann

Fresco Sans.

http://www.fontshop.com/fonts/downloads/ourtype/fresco_sans_pro_family/

Rainer Zerenko

Fresco Sans Black by Fred Smeijers.

Edit: Late …

Quadrato

Thanks a lot, Jan and Renko!

Captured from web.archive.org on 23 Oct 2013. view this capture