Twitter had 100 million active users logging in at least once a month and 50 million active users every day. In an article published on January 6, 2012, Twitter was confirmed to be the biggest social media network in Japan, with Facebook following closely in second. comScore confirmed this, stating that Japan was the only country in the world where Twitter leads Facebook. On March 31, 2014, Twitter announced there were 255 million monthly active users (MAUs) and 198 million mobile MAUs. In 2013, there were over 100 million users actively using Twitter daily and about 500 million Tweets every day,
Twitter usage child's short story through the microblogging service Twitter emphasises the distribution and delocation of experience. Given its IM-like functionality, Twitter provides a unique platform to communicate real-time information from robotic machines to human managers, engineers and/or other interested parties. Numerous examples exist of robots whose sensor data is interpreted offline and tweeted by human operators. For example, NASA's humanoid-robot "Robonaut" has a Twitter feed with tweets posted by human operators. However, relatively few projects involve robots that post their own tweets without human intervention. The Japanese counterpart to Robonaut, Astrobot is expected to monitor health parameters of crew members and