Hong Kong – Hot on the heels of its Indonesian office opening last week, Twitter has officially opened its Hong Kong office to service the online and mobile advertising markets across Greater China. With many Chinese brand advertisers and app developers selling to the worldwide market, Twitter provides an attractive opportunity to reach over 288 million monthly active users, 80% of which are on mobile, that send over 500 million Tweets per day. In addition, millions of people across Hong … [Read more...] about Twitter opens Hong Kong office