 Hung: Safety and flexibility , its relation is like a paddle . If something wanted to be linkable anywhere, there were still some considerations on security .
<clarity>  Hung: Safety and flexibility , its relation is like a paddle . If something wanted to be linkable anywhere, there were still some considerations on security .
 Hung: Safety and flexibility , its relation is like a paddle with two blades. If you want something to be connectible anywhere, there were still some considerations on security .