Instagram now has over 400 million active monthly users, making it one of the world's fastest-growing social networks. It's already used by many B2C brands, but B2B brands have been a bit slow on the uptake. This guide explains why B2B brands should use Instagram, uncovers how to launch a profile successfully and contains a number of practical everyday tips to maintain an engaging presence. In addition, it includes a guide to the basics – including new paid-for options – and lists the five best B2B brands currently using Instagram.