Ключевые слова: abstract, approve, background, business, button, click, communication, community, concept, confirm, confirmation, confirmed, cool, design, finger, flat, friend, good, hand, icon, illustration, internet, isolated, like, link, marketing, media, network, networking, nice, ok, outline, page, sign, site, social, success, super, symbol, technology, thumb, trendy, unlike, up, validate, validation, vote, web, white,