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Social media
Glyph
Metro Contact - free
face book, media, Social
Black
512x512
Short, online, twit
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Mobile apps
Free Retina Icon Set
Social, Connections, media
60x60
Business & finance
24x24 Free Application Icons
globe, web, Communication
Lavender
24x24
international, globe, Communication
DodgerBlue
Connection, network
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Black 48x48 Icons - free
social media, twitter, Social
48x48
fb, Connections, social network
Win8 and iOS Tab Bar Icons - free
Communication, Facebook, Like
Connection, web, technology
UI
Windows 8 metro style
Connection, no
DarkSlateGray
Free Mobile Icon Kit
network, Connection
64x64
Windows 8 icons
high, Connection
26x26
low, Connection
medium, Connection
no, Connection
Desktop apps
16x16 Free Toolbar Icons
Connection, Computers, backup
Teal
16x16
Devine icons
network, Connection, communicate