Whether it is an 8-year old or an 80-year old, the chances of them effortlessly using an Apple product like the iPhone is very high. The reason— the simplicity of the product and its features makes the experience of using their gadgets a pleasure, without the need for a manual. A lot of our readers keep writing to us seeking investment advice; the best mutual fund to invest in. There is no simple answer to that. There is no single mutual fund that can achieve all the financial goals one has.