Employees taste the frozen yogurt dispensed by a prototype of a frozen yogurt vending machine that is making its debut at the UberOffices in D.C. (Evy Mages/FOR THE WASHINGTON POST)

A review of the biggest small business and startup stories from the past week, with a special focus on Washington.

Not quite a hit: Obamacare’s new health care exchanges aren’t attracting many small businesses in the District. In Maryland, the situation is even worse. (OSB)

More ho-hum hiring: Hiring by small businesses accelerated to the fastest pace of the year in May. If only that was actually something to celebrate. (OSB)

Race matters: New research reveals that minority entrepreneurs are treated differently (see: worse) than their white counterparts when seeking a small business loan. (OSB)

Site-less: More than half of small companies still don’t have a Website, according to a new survey. Some don’t have the time; others aren’t ready for a rush in orders. (AP)

Wage war: Seattle, Wash. last week approved a $15-per-hour minimum wage. Franchise business owners and advocates are none too happy about that. (MNW)

Courting small firms: Facebook last week held its first in a series of boot camp event for small businesses in New York City, hoping to drum up more advertising business. (SBT)

What took so long? Entrepreneurs Melissa Nelson and Jeremy O’Sullivan have built a new vending machine. No big deal, right? Wrong. This one churns out frozen yogurt. (CB)

Lobbying’s new landscape: Once dominated by a few big, powerful personalities, the lobbying industry is evolving, with new, smaller players and new, innovative tactics. (CB)

On the rise: Next week, 20 of the D.C. region’s most promising start-ups will share the stage at the Mid-Atlantic Venture Association’s latest TechBuzz showcase. (OSB)

No app maker: One the new members of D.C. business incubator 1776 isn’t quite like the others. This one has set its sights on the Pentagon and quantum computing. (WP)

Too much money? Start-ups that raise between $5 million and $10 million generate larger exits than those that raise up to $50 million, new research shows. (INC)

What are you keeping an eye on this week? Please let us know below.

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