Carrier billing company Fortumo has launched a new platform designed to make it easier for merchants and mobile carriers to form “bundling” partnerships. With the advent of online subscription offerings like Spotify and Netflix, we’ve seen a number of tie-ups with mobile networks to encourage consumers to sign up — for example, joining a specific carrier may come with free access to a music- or video-streaming service, or mobile data may be “zero-rated” for a specific service.