My bad, English is not my primary language and for whatever reason I was thinking of phones' bluetooth headsets. You're right :) Also, I probably need more coffee.
For anyone interested there is a good book called 'The End of Lawyers?' by Richard Susskind, a visiting Professor at Oxford, that discusses the ways in which technology will gradually commoditize many elements of traditional legal practice.
1. Introduction - the Beginning of the End?
2. The Path to Commoditization
3. Trends in Technology
4. Disruptive Legal Technologies
5. The Future for In-house Lawyers
6. Resolving and Avoiding Disputes
7. Access to Law and to Justice
8. Conclusion - the Future of Lawyers.