Did you know there are over 4 billion mobile phones in use today ? Here in Australia, we have a population of approximately 11 million people and over 22 million mobile phones – that’s an average of 2 phones per person! It’s obvious that mobile phone usage is becoming more prevalent. And given the ubiquity of smartphones and other mobile devices, more and more customers are now opting to receive notifications via SMS rather than email.
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PHPMaster: Understanding the Command Design Pattern