JSON is usually a good choice for client/server communication. Just because the client is a mobile device makes little difference. It also has good support from Perl in the form of the core JSON module and also the faster JSON::XS. JSON has good support in other langauges too which will be needed at the client end.

In reply to Re: Web application framework and Smartphone apps by Bod
in thread Web application framework and Smartphone apps by monx663

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