SAN FRANCISCO (Reuters) - Airbnb Inc took in more than $1 billion (£801.7 million)in revenue for the second quarter of 2019, the second time it exceeded that level in its decade-plus history, the home rentals company said in a statement on Wednesday.The company also said it will be launching a multimillion-dollar marketing campaign with ads running on TV and digital platforms, highlighting its hosts and promoting the benefits of hosting. Airbnb previously said it exceeded $1 billion in revenue..