Mari C. Jones is Reader in French Linguistics and Language Change at the University of Cambridge and Fellow in Modern and Medieval Languages at Peterhouse, Cambridge. A highly experienced fieldworker, she has published extensively on language obsolescence and revitalisation in relation to Insular and Continental Norman, Welsh and Breton. Her publications include Language Obsolescence and Revitalization (1998), Jersey Norman French (2001) and The Guernsey Norman French Translations of Thomas Martin (2008). Sarah Ogilvie works at Amazon Kindle on languages, dictionaries and content. Prior to that she was Reader in Linguistics at the Australian National University, Canberra. She lived and worked with an Australian Aboriginal community to write a grammar and dictionary of their language, and her current research focuses on how innovative technologies can help maintain and revitalise endangered languages. Her publications include Words of the World: A Global History of the OED (Cambridge, 2013).