That, in turn, creates congestion problems for wireless carriers, which may push them to partner with Boingo to offload that traffic.

FORBES: Boingo Wireless CEO On 'Challenging' IPO Market And Carrier Partnerships

Before dumping a co-founder, also make sure you have access to key information, such as the firm's bank account and Internet passwords, and that any intellectual property critical to the business is owned by the firm and not the person you're planning to push out, says Anthony McCusker, a partner with law firm Goodwin Procter in Menlo Park, Calif.

WSJ: Splitting With Your Company's Co-Founder Is a Tricky Task

While Ecclestone may not be willing to push the envelope in broadcast tech, having Sky as a broadcast partner could force the issue as it justifies its exclusive access and dedicated broadcast channel.

ENGADGET

"On a benign Friday in August with no significant news event, it doesn't take much to push the market around, especially on the close, " said Michael Shea, managing partner of institutional sales and trading at Direct Access Partners in New York.

WSJ: Blue Chips Near a Five-Year High

She used to run a gay and lesbian advocacy group, she was a visible player in the push to legalize gay marriage in the state, and her 2012 wedding to her longtime partner, attorney Kim Catullo, was one of the biggest political parties of the year.

WSJ: NY mayoral hopeful would be a first, in 2 ways