by: Taryn Luna | The Boston Globe

‘Oz the Great and Powerful” soared to the top of the box office charts with a wicked $80.3 million opening weekend driven by big-name ­actors, a major Hollywood director, and a spectacle of electrifying 3-D imagery.

Now analysts say the $200 million Disney ­production’s future as a top-grossing film of 2013 or just another flick that quickly fades at the box office could hinge on 140-character critiques posted online by thousands of moviegoers.