It seems that all that tech innovation we see in smartphones today is simply no match for nostalgia. It turns out there's a market for people who miss flip phones, so much that mobile manufacturers are running against time to produce the ultimate, most successful, and prettiest folding smartphones. See Samsung's new $1,380 flip phone. The Galaxy Z Flip features a foldable design and split-screen capabilities. https://t.co/3KmFZbbKsz pic.twitter.com/d3OE5wv9ew — CNN ...