Google is acquiring Spirit Airlines' emails, calendar info, chats, documents, spreadsheets and other business data, according to a bankruptcy court filing.It will use the data to improve its products and AI models.Why it matters: Spirit Airlines ceased operations earlier this year after it failed to emerge from its second Chapter 11 bankruptcy, but attorneys are still handling the disposition of its assets.Zoom in: Google won a bankruptcy auction for the data, agreeing to pay $10 million for the...