Twitter’s biggest financial woes are coming from Japan, Korea

They are really making a push to be a big-dollar social network in preparation for their IPO, but holes are starting to show in their model centered around a pair of Asia’s most tech-savvy countries.

The route to becoming the ‘global town square‘ is not easy, and Twitter is up against some serious challenges in East Asia, where it has so far struggled to break through with advertisers (Japan) and users (Korea), according to the Wall Street Journal.