Nothing is harder than being an entrepreneur: self-sacrifice, countless hours, true diligence and undying commitment. I interviewed the following accomplished entrepreneurs, who excel at what they do and have been handpicked by the media as ones to watch. Here, they reflect on their past mistakes and share some of their insights with their B2B counterparts when it comes to e-commerce, IT, funding, delegation, sales and scaling too fast.

What are your business resolutions for the New Year? We often take this time to reflect on our personal lives, but as small business owners it's an excellent opportunity to examine our professional lives as well. Less daunting than a business plan, meaningful resolutions can give your organization a fresh look at its direction and ultimate goals.

Contrary to popular marketing ideology, we do not live in a multiple-screen world. My world is about one screen: whatever screen is in front of me. Too many brands continue to build digital ghettos where the Web, mobile, social and even e-commerce occupy and have their own, unique, strategies. This leads to brands that are wildly different across their platforms. To put it simply? These strategies are stupid. Here's why.