Pinterest is continuing its focus on innovative features for brands and marketers with a new Rich Pin type called a How-to Pin, which will allow users to provide step-by-step instructions for a range of categories including DIY and crafts, food and drink and health and fitness.

Blogging platform Tumblr has reintroduced the Replies feature and revamped Notes to encourage more users to engage with posts and other content on the site. The changes are set to roll out during the coming days and will make it easier for users to “follow the conversation,” according to Tumblr.

Facebook has launched a new analytics tool called Delivery Insights, which aims to help marketers to better understand how their ads are performing in auctions. Facebook has said that the tool will remove a degree of “guesswork” that has previously been part of building successful ad campaigns on the site.

Google is reportedly developing a third-party keyboard for iPhones as part of wider plans to boost search volumes on mobile. The new peripheral will use predictive text and employ gesture- and swiping-based typing to make it easier for mobile users to use the tech giant’s search engine on iOS.

Brands have experienced the most significant adoption rates on Instagram during the last twelve months, according to the latest Social Media Inflation Index published by content analytics platform TrackMaven. Enterprises saw median monthly followers grow by more than six per cent, which is three times greater than on Facebook.

Microsoft has started testing social extensions in search ads. The handy new tool will allow brands to promote their social channels within search ads by placing links directly to Facebook, Instagram, Twitter and other social media accounts beneath the ad copy of texts. The extension is now in beta in the US.

Video ads have been on the agenda for Pinterest since the start of the year, and new reports have claimed that the popular social media site has recently started testing the feature internally and with a small subset of users.

Search engine results are about to become more mobile-friendly as Google has announced plans to roll out a new update to boost the effect of the ranking signal beginning in May. Google has said that the latest changes will make it easier for users to find more relevant content from smartphones and tablets.