Hi5.com is No. 1 in Latin America's social-networking scene, according to fresh figures from comScore, and social Web use as a whole is growing fast there. The number of unique visitors for the region has grown "from 53.6 million unique visitors last June, to 61.6 million this past April" (the latest figure available), VentureBeat.com cites comScore research as showing. Hi5 had 12.8 million … [Read more...] about Latin America’s social Web