First there was no hijacking, then there was, now there isn't ... The chatter on twitter is digital cacaphony Some folks believe Putin is involved... "developments" are happening faster than mainstream media can report them... "Only the Russia Putin can do both: Ukraine and Malaysia." ... Others think the 777 is in Iran or Pakistan. Truth eventually rises to the top.
Speculate as much as you can and as often as you like. The actual outcome will likely be a story/scenario no one imagined. The haste to get "news" moved across twitter and other platforms feeds the fire of fantasy.
Despite all the hubub, US residents aren't all that concerned about the airliner or Putin/Ukraine, at least not by Google's measure at 7:47 AM Saturday NY Time: