Roaming in Europe: what are the data rates for smartphones?

In this edition of U talk, our question comes from Juan in Madrid:
 
"I often need to check my e-mails on my mobile when travelling in the EU. I know that there are price limits for phone calls but what about data roaming?"
 
Malgorzata Kurowska, Senior Communications Officer at Europe Direct responds:
 
"Currently there are no price caps on data roaming in the EU.
 ...
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