Soccer balls may be flying in Brazil's major cities due to the World Cup, but in rural Campo Maior Google(s goog) is testing a different kind of inflatable. Google launched its Project Loon balloons in Northeast Brazil to connect an isolated local school, Linoca Gayoso, to the internet for the first time. What's significant about this Loon trial is it used LTE technologies (presumably using a Brazilian carrier's spectrum), which would allow Google's stratospheric balloons to link directly to mobile devices like smartphones and tablets.