Most of us take our mobile phones to bed at night (guilty as charged). Leaving them on the side table without a second thought (sad some might say).Almost half of 18-24 year olds check their phone in the middle of the night.The smart phone has changed our relationship with the humble phone.Now (with the not so humble smart phone) there’s a plethora of ways we can be in touch with friends, family, colleagues, business partners, customers and the world at large. How are you using it for your business?