EmoTweet sources live tweets, senses emotions and creatively visualizes them. A combination of six basic emotions- happiness, anger, fear, surprise, sadness, and disgust at various scales make up a final visualization of the tweet Textual emotion recognition is based on the lexicon of emotion-related words, where each word is associated with a vector of weights for each emotion type and by several simple heuristics (usage of upper cases, exclamation mark, emoticons etc.)