One of the best ways I’ve found to stay on top of what’s trending in the world of small businesses and marketing is to stay on top of specific news categories. Flipboard is the best tool I’ve found to aggregate and deliver me relevant news without a lot of extra work on my part (and it’s free).
There’s a desktop version if you want to access it on your computer, but the easiest way is to install it on iOS or Android. It’ll bring you a personalized magazine every day from the sources you select, and help you find new and relevant ones you can subscribe to.