NTT Docomo language being adopted around the world was first created by NTT DoCoMo. The first emoji was created in 1998 or 1999 by Shigetaka Kurita, who was part of the team working on NTT DoCoMo's i-mode mobile Internet platform. The first set of 176 12×12 pixel emoji was created as part of i-mode's messaging features to help facilitate electronic communication, and to serve as a distinguishing feature from other services. NTT Docomo has a wide range of foreign investments. However, NTT Docomo was not successful in investing in foreign carriers. Docomo had invested very large multibillion-dollar amounts in KPN, KT Freetel,
Japanese mobile phone culture people keep their phone in 'manner mode' (silent mode) in order to not bother others and to avoid embarrassment on trains. On the other hand, writing emails or playing games with a cell phone while riding the train is completely acceptable. Electromagnetic energy is theorized to cause interference with heart pacemakers and other medical devices. Most trains contain signs demanding that mobile phones be turned off when around seats reserved for the elderly and handicapped, but passengers rarely do so. In hospitals, it is expected that one should turn it off entirely. Both talking on the phone or texting/messaging while