Our daily blend of the latest news, trends and tips for the small business community.

What’s going ‘on’:

American middle class shrinking: The plight of the middle class continued last year as inidividuals making annually between $20,000 and $60,000 earned less than 24 percent of the collective national income despite comprising 40 percent of the population.

Bloomberg calls for less tax emphasis: Washington policymakers should spend less time squabbling over tax rates and more time helping entrepreneurs find customers if they genuinely want to boost American business, according to New York Mayor Michael Bloomberg.

Washington tops for fast-growing firms: The Kauffman Foundation on Wednesday published a study showing that the D.C. metro region has produced more fast-growing companies than any other city over the past decade, thanks largely to increased government spending.

Apple unveils iPhone 5: The company debuted the latest version of its market-leading smartphone on Wednesday. The iPhone 5 is lighter, thinner and longer than its predecessors and features an improved processor, longer battery life and a new charger.

Keep an eye ‘on’:

Obama’s efforts to boost small business lending: The president has repeatedly celebrated the impact of his administration’s Small Business Lending Fund, but has the fund actually helped entrepreneurs secure the funding they need to get started or grow their businesses? Somewhat, but not as much as advertised.

Helpful advice ‘on’:

How to build and promote an internship program (OSB)

How your business can leverage luck (Open Forum)

How to manage all your company’s mobile devices (BI)