Yesterday was a big day for Google. The company launched a wave of new and updated products, but the focus was clearly on the (unexpected) launch of Google+. Until now, Google forays into social networking were generally lackluster (except for in Brazil, where Orkut continues to be popular). After the failure of Buzz, Google+ is the company’s most ambitious social networking play yet. After spending a day with the product, it’s clear that Google’s teams learned from the mistakes they made with Buzz and finally put together a social networking service that can compete.