Good post. Another aspect for either iOS or Android, as regards what I'd consider typical Page Plus Cellular or TracFone PAYGO type users, is, Visual Voicemail is cool and all, but I may run with neither cellular data or Wi-Fi on while I'm out of a building (while mobile), and I may not want the "expense" of being dinged for the cost of an SMS text in order to be notified of waiting voicemail ... More @Wikipedia
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