"Halfalogue": listening to other people's cellphone conversations

When people are trapped next to a one-sided conversation — known nowadays as a “halfalogue” — their anger rises in the same way it does in other situations where they are not free to leave, like waiting for a train.

http://well.blogs.nytimes.com/2013/03/13/study-adds-to-evidence-of-cellphone-distraction/?smid=fb-nytimes&WT.z_sma=HL_CAA_20130315

This word was apparently coined in 2010 in an article in Psychological Science journal:
http://www.psychologicalscience.org/index.php/news/releases/halfalogue-overheard-cell-phone-conversations-are-not-only-annoying-but-reduce-our-attention-html.html