By Christine Persaud
It’s funny to think how far we have come with cell phones, from the traditional ones with numeric keypads to ultra-thin devices with touchscreens that still fit in your pocket. But it’s also interesting to see how we are shifting back to some old design traditions. There’s a refreshed take on the clamshell design via sleek, foldable phones. These devices are often much more expensive than a traditional phone. But having one has become a sign of prestige.