But sometimes these gadgets can be used for hospitals and emergencies etc. There is nothing wrong in itself of adapting basic necessities to life in the modern world. Remember that even using the State-run electricity grid is fraught with halachic problems - that's why the haredim have built their own. Otherwise, these gadgets cater only for a pathetic (thankfully) minority whose 'observance' will not carry over to the next generation.
Three Palestinian teens killed by Israeli army fire during protests near Gaza border (Haaretz)
from the article: How to be religious - and enjoy a Shabbat espresso