We have 615209 free icons in 2050 sets
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bird, birdie, letter, writing, media, media, social, public, tweet, twitter icon, chirrup icon, twitter character icon page

Set: Social networks Author: EDT .im License: Creative Commons (Attribution 2.5 Generic) Total icons: 16
Social networks: communication, information, logo, symbol, media, media, network, net, social, public, vimeo icon, vimeo character