Postmates intends to reveal its filing for an initial public offering on form S-1 next month and to bring the offering to the market before the fourth quarter, sources said. Bloomberg has reported that Postmates hired JPMorgan Chase and Bank of America to serve as lead underwriters.

Former 23andMe Vice President Ruby Gadelrab and former Color Genomics Chief Medical Officer Dr. Jill Hagenkord observed the downfall of Theranos and launched MDisrupt to help health-tech entrepreneurs avoid red-flag practices and methods that could lead to similar problems. Gadelrab and Hagenkord say a process of "medical diligence" can show whether scientific claims are backed by evidence, protecting startups and investors.

The increase in the number of startups worth at least $1 billion has raised the question: Does the unicorn threshold still have meaning? Aileen Lee, credited as the first person to use term in relation to startups, argues it does because such business are rare among new companies, and investor Sunil Rajaraman notes venture capital firms don't want to miss the next big startup.

Joining an impact accelerator can help socially minded startups overcome problems related to growth. Entrepreneurs can prepare by analyzing offerings to ensure they support the mission and talking with stakeholders to gain critical insight, among other tactics, writes Elyse Burden.

Selling a startup is a long process, so Ben Faw, a veteran of mergers and acquisitions, recommends hiring additional people to bolster the business. He also advises meeting with potential buyers in person to build trust and not allowing advisers to become decision-makers.

Technology startup One Concern is drawing criticism for its artificial intelligence tool designed to help emergency responders figure out where people need saving during disasters. San Francisco was an early adopter but is ending its contract, citing the expense and uncertainties about One Concern's data.