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10 mobile operators covered
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USA
Verizon Wireless, AT&T, T-Mobile, Sprint
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Canada
Rogers, Telus, Bell
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United Kingdom
Vodafone, EE, O2
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16 topics to understand sentiment polarity
Customer care
Billing
Broadband
Devices
Network
Marketing
Media
Privacy
Politics
Upgrade
Health
Society
Ecology
Roaming
IoT
Net neutrality
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