So many times in life, especially in this high-tech society, it's hard to slow down and call a friend, or read a novel, or get a massage.

But India wants to catch up. For example, it is keen to sell Africa its high-tech products, particularly in cheap telephony and mobile Internet services.

These metals are found in almost every 21st Century household, and used globally to make high-tech products, from weapons, to flat-screen TVs and mobile phones.