Goldman Sachs leads $51.5M round for business texting software maker Zipwhip (Taylor Soper/GeekWire)

Taylor Soper / GeekWire
Goldman Sachs leads $51.5M round for business texting software maker Zipwhip – In todays technology world, there are a bevy of ways for businesses to communicate with customers. They can send emails; build their own apps; use social media tools; and more. But its the ancient art form of text messaging that still reigns supreme, at least in the eyes of Seattle …