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Social media
Flat
Various Icons
website, plus, google
Chocolate
476x476
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Social Media Chat
plus, media, google
512x512
Social Experiment
plus, +, g
Network & communications
Social
media, Circle, Social
Signs & symbols
Social Buttons
Add, google plus, Google+
Desktop apps
Smallicons: logotypes
google, plus, Google+
Micon Social Pack
G+, google, google plus
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Mixed
Inficons
plus, google
Freebie: Social Media Icons
google, plus
64x64
Soft Social Icons
google, Google+, plus
48x48