Social media company Life360 went public on Friday, the same day that fellow San Franciscan Uber debuted and amid a wave of Bay Area IPOs from names like Lyft, Pinterest and Zoom. But unlike its neighbors, which trade on the Nasdaq or New York Stock Exchange, Life360 rang an opening bell on the other side of the world — in Australia. Life360, an app that lets family members stay connected, joined the Australian Securities Exchange, whose largest members include Commonwealth B