@garethharding I used them to add colour & fit my message into Twitter's character limit. The results of a study about the Age Difference in Recognition of Emoticons showed "older adults to have a more positive response towards emoticons than younger
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Human/Machine Interface is an opportunity: Advancement and Application of Unmanned Aerial Systems #HMI http://t.co/Ius1xPn6Mw #UAV #FEI2015
313 followers
Human/Machine Interface is an opportunity: Advancement and Application of Unmanned Aerial Systems #HMI http://t.co/s7QvpNvoC8 #UAV #FEI2015