whats a app you have made thats been used everywhere/

Question: whats a app you have made thats been used everywhere/
- Keywords:
  apps,
  technology
Asked by jakesobalak99 to Gopal on 28 Jun 2013.
- Gopal Ramchurn answered on 28 Jun 2013:
  
  My apps have mainly been used in research or to help emergency responders – not to be used everywhere. I’ve also developed app for specific settings where we need to control robots or control appliances in the home.

Question: whats a app you have made thats been used everywhere/