Informa to Buy Cannes Lions Owner Ascential; YouTube Earns 6.7bn in Q2 Ad Revenue; UK Streaming Market Loses 300k SubscribersInforma acquires Ascential for £1.2bn, expanding global events; YouTube earns £6.7bn in Q2 ad revenue, strong but below Wall Street predictions; UK streaming market loses 300k subscribers, with a rise in ad-supported services.