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Network & communications
Smooth
Chatting
Message, Bubbles, user
Black
512x512
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Glyph
Communication & Technology
Message, Comment, Chat
ok, speech bubble, Bubble
UI
Freecns Cumulus
Bubble, speech
iOS7 optimized
Outline
Streamline - Free
Comment, streamline, talk
Bubble, talk, streamline
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Education & science
Handdrawn
Brainy Icons Free — 36 Science and Education Icons
Talking, Comments, hand-drawn
64x64
Avatars & smileys
Jolly Icons — Part 1: Social Media and Communication
speech, Bubble, hand-drawn
Bubble, Messenger, Message
Mixed
Linecons Free – Vector Icons Pack
speech, Comment, Chat
Pictype Free Vector Icons
Chat, Comment, Bubble
Gaming & gambling
Photorealistic
48x48 Free Object Icons
Chat, messages, Messenger
48x48
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Business & finance
Pixel
24x24 Free Pixel Icons
forum, Social, talk
24x24
iOS 7 icons
3D
Iconza
speech, Bubble, Comment
32x32
Flat UI Icons Free
Bubble, talk, Comment
Maps & navigation
Vista Map Markers
mapmarker, chartreuse, Bubble
256x256
Azure, mapmarker, Bubble
pink, Bubble, mapmarker
Map Markers
Map, marker, Ie
Map, Bubble, marker
marker, base, Map
Real Vista 2
printer, Bubble, jet
400x400
Computer & hardware
Crystal Project
Comment, Protocol, speech