I've read that people learning English have difficulty with phrasal verbs like "move up" [1], so I can understand why "prepone" might become popular. [1]: http

I've read that people learning English have difficulty with phrasal verbs like "move up" [1], so I can understand why "prepone" might become popular. [1]: http://esl.fis.edu/vocab/phrasal/phrasal-important.htm http://esl.fis.edu/vocab/phrasal/phrasal-important.htm