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				 Among six messaging apps, WeChat saw the biggest 
				upptick in usage in Japan and South Korea last month versus a 
				year earlier, boosted by its gaming, e-commerce and multimedia 
				capabilities, according to data on Android smartphones tracked 
				by Mobidia. An analysis by the mobile analytics firm compared 
				the amount of time users spent on Tencent's WeChat, Naver's 
				Line, Daum Kakao's Kakao Talk, Blackberry Messenger and 
				Facebook's WhatsApp and Facebook Messenger. 
				 
				WeChat's inroads in Japan and South Korea could help ease some 
				investor anxiety over Tencent's overseas expansion after the 
				Chinese company said it had not gained as large a footprint in 
				Western markets as in other countries. Competition is rife, 
				particularly in tech-savvy Asia, as messaging apps fight to 
				stand out by combining messaging functions with other offerings 
				ranging from cartoon stickers to online shopping. Line said this 
				month it is launching its "Cheap Sure Sure" online grocery 
				delivery service in Thailand, its No.2 market after Japan. 
				 
				The biggest battlegrounds in the Asia-Pacific are China, 
				Australia and Indonesia, though India is garnering more 
				attention as the local cost of smartphones falls, middle class 
				wealth increases and wireless infrastructure improves. India is 
				the fastest-growing market in the region, the Mobidia data 
				shows, led by WhatsApp, and with Kakao Talk not too far behind 
				at No.2.  
				 
				And there will be casualties. Last month, Facebook Messenger 
				usage plummeted in nine out of 10 Asia-Pacific countries, the 
				Mobidia data shows. Samsung Electronics, which once held lofty 
				ambitions for ChatON, said it will discontinue the app in all 
				markets on March 31. 
				 
				GRAPHIC: Messaging app usage: http://link.reuters.com/nad24w 
				 
				(Additional reporting by Se Young Lee in SEOUL; Editing by Neil 
				Fullick) 
				
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