i will speak at this conference with the interesting title. indeed kristof nyiri, the conference chair, is quoting Heideggers "zuhandenheit" correlated with the Germen pseudo-English word "handy" for "cell phone". (see the introduction in English.)
i will try to say something about "the place between the phones" (Bruce Sterling, 1991) lifestreams, point of presence, and 'cloudy' microcontent environments ...