What connects these technologies?

Again, sorry for the delay… More extenuating circumstances :P This question will also stay up till about 1900 hrs IST tomorrow.

Cracked by AmK , Goyal , Dibyo , shrik , Raghuvansh , KRIK , udupendra , Rogi , akhi and sappola.

AmK, Goyal, Dibyo, shrik, Raghuvansh, KRIK, udupendra, Rogi, akhi and sappola