B2B marketing goals don't tend to change much. Marketers will always want to chase leads, sales and ROI. But the tactics used to achieve these goals change frequently and often rapidly, especially online. Today’s fast-changing marketing landscape has a profound impact on the way people buy and where, and has also affected the way brands interact with people. The challenges we face today are numerous and often tricky. But there are lots of ways to overcome them. Here are 10 of the best.