Google continues to dominate mobile paid search and accounted for 95 per cent of clicks on mobiles during the first quarter of the year, according to the latest Digital Marketing Report published by global data-driven performance agency Merkle.

Twitter is making it easier for advertisers to build, test and optimise their campaigns at scale with the arrival of a new ad groups level for its Ads editor. The updated campaign structure has rolled out to marketers globally and is the latest addition aimed at streamlining the budgeting process and enabling brands to target different audiences.

European data regulators have criticised the Privacy Shield framework designed to protect the data of citizens that is transferred to the US. Regulators said that the latest revamp was still inadequate and could require further amendments to address the “bulk collection” of information.

Google has stepped up its efforts to address an emerging type of online advertising fraud called “clickjacking” by rolling out various new defences.

Facebook has announced that brands will now be able use chatbots to deliver engaging content, customer support and other interactive experiences to users via its new Messenger Platform, which was launched yesterday at its F8 conference.

Google Mobile Ads has rolled out full support for Apple’s iOS programming language Swift. The search engine giant revealed that a soaring number of requests from publishers and the evolution of Swift into a “dynamic, modern programming language” had prompted the change.

Publishers, celebrities and brands are now able to share branded content on Facebook after the social media giant announced major changes to its ad policies. Facebook has also released a new tool to make it easier for these users to tag sponsored content, including Instant Articles, videos, photos and text, on the platform.

Google has started sending a new warning alert to site owners who have not made their web pages mobile-friendly. The alert is shown directly in search results and also provides a hyperlink to a Google Help page about the importance of mobile literacy and its expanding use as a ranking signal.

Facebook has renewed its focus on streaming after rolling out a wave of new features for Live video for mobile, including invites, reactions, filters and the ability to share content with a specific group or event.