Gigs, a platform that makes it easier for any company to become a mobile virtual network operator (MVNO), has raised $73 million in a Series B round of funding. The announcement comes as countless companies have added mobile networking services to their product lineup this past year, including neobanks such as Nubank (a Gigs customer) and Revolut — they both launched travel eSIM services that provide customers with mobile data to use while abroad. And more recently, Nubank became a fully-fledged...