ARCHIVES: This is legacy content from before Marketing Dive acquired Mobile Marketer in early 2017. Some information, such as publication dates, may not have migrated over. Check out the new Marketing Dive site for the latest marketing news.

Mobile Minutes: SoftBank and T-Mobile; smartphone driver?s license; US digital currency?; Chicago, NY copy Uber

SoftBank shrinks US office, marking end of failed T-Mobile bid
Japan's SoftBank Corp. will soon downsize its Silicon Valley offices, people with knowledge of the matter said, signaling the company won't revive efforts to buy T-Mobile U.S. Inc. SoftBank subsidiary Sprint Corp. dropped its bid to acquire the No. 4 U.S. carrier in August but the companies did not rule out future consolidation.

Iowa is looking to create the nation?s first smartphone driver?s license with an app that can co-exist with the traditional plastic card.

The US government has been seriously studying bitcoin for about two years now. The FBI knows how to seize the digital currency. 

If you can?t beat them, join them. Regulators in Chicago have approved a plan to create one or more applications that would allow users to hail taxis from any operators in the city, using a smartphone.