In our roundup of this week’s martech news, we highlight: Zendesk has acquired Smooch to enable more support messaging via social media. Google has updated mobile SERP design to show website names and icons. LinkedIn has added a new Ads tab on Pages for increased ad transparency. Top stories in marketing technology this week: Zendesk has acquired Smooch to enable more support messaging via social media What it is Zendesk, the customer support platform, has acquired Smooch, an omnichannel messaging…