1. Paycheck Unfairness

With Republicans blocking the Paycheck Fairness Act in the Senate on Wednesday, the issue of women earning less than men returned to the spotlight. Business owner (and Inc.com columnist) Gene Marks explains six reasons why sexism persists in business. Among them: You may get pregnant and leave, and, simply, "your boss is a dick."--Philadelphia magazine 

2. Speaking of Pay...

A recent survey finds that 73 percent of business leaders aren't very confident in their managers' ability to discuss compensation with employees. Here are several steps you need to go through to prepare for those conversations and carry them out to your worker's satisfaction.--Harvard Business Review

3. Big Day for Dropbox

During a press event Wednesday, Dropbox CEO Drew Houston unveiled Dropbox for Business, a more-secure form of the file sharing app that's now available to all companies. Later in the day, Houston announced via the company's blog that former U.S. Secretary of State Condoleezza Rice will join its board.--Inc.com 

4. Perfect Tweets

What's the ideal length for a tweet? According to social media researchers, posts of between 70 and 100 characters have the most retweet potential. Meanwhile, the optimal Facebook post runs about 40 characters. Something to keep in mind for your social marketing efforts.--Fast Company

5. Focus, Focus, Focus

Even large companies need to constantly ask themselves: What business(es) am I really in? Consumer products giant Procter & Gamble has done just that, announcing it had sold three of its pet food brands to Mars, the world's leading pet food company, for $2.9 billion. P&G chief executive A.G. Lafley said the move will help P&G focus on its core categories (i.e. consumer products for human beings). The lesson? Don't fear raising the white flag in one of your less-promising categories.--P&G

6. Code is No Panacea

At the New Energy Finance Summit, former New York City Mayor Michael Bloomberg refuted the idea, championed in the past by Facebook CEO Mark Zuckerberg, that teaching displaced workers to code is a way to lower unemployment. Bloomberg used the example of coal miners: "[Zuckerberg] says you can teach them to code and everything will be great. I don’t know how to break it to you--but no."--Venture Beat