Wi-Fi Spots List in Capital Federal - Buenos Aires by gmarin
Some of the best things of Buenos Aires are the cafes and restaurants, even the small and less important ones have their own personality and give us a sense of "being in Buenos Aires"Here you can have a complte list of wi-fi hotspots, most of them free of charge:
http://www.pcfixonline.com.ar/site/index.php?option=com_content&task=view&id=24&Itemid=28
I hope it would be helpful