If it hadn't been for Inmarsat, we'd still be looking from Somalia to Siberia.
And a very well done to the partnership with AAIB for resolving the ambiguity between arcs. There was some seriously caffeinated data crunching going on
Hopefully GPS location will be added to the ping ID. It won't stop suicides, but will give pause to those who thinking they can sneak off. With GPS data, any diverters will not be able to hide.
While in too many cases survivors will be unlikely, at least families will not be left in limbo -- to say nothing of the massive expenditures in search effort.