The world continues to shift more of its customer service needs online, and those building tools to help manage that demand are seeing their stars rise as a result. In the latest development, Glia — which builds AI-based CRM solutions for agents to converse with customers across multiple mediums (including video, voice, messaging, email and chatbots), and then to screenshare to give hands-on help to those users — has closed a new round of funding, a Series D of $45 million that catapults the company’s valuation to over $1 billion.