Getty Images, Kevork Djansezian

Good morning. Here's the overnight news.

• Don't use "hollow" icons. It makes our brains do too much work.

• Activist investor Carl Icahn says he's going to have dinner with Apple CEO Tim Cook. Icahn tweeted: "Planning dinner in September. Tim believes in buyback and is doing one. What will be discussed is magnitude."

• Google patented a technology that will change your phone's security preferences based on its location. So if you're at home, you might not have to enter a password. At work, you would.

• The FBI says its brought down several leaders of the hacker group "Anonymous" and that's why there have been fewer cyber crimes from them lately.

• "No one said building a company was easy. But it's time to be honest about how brutal it really is--and the price so many founders secretly pay."

• You know about 3D printers. This is a 3D scanner for your desktop.

• Twitter is talking to banks about doing a "low profile" IPO. Sorry, but that isn't going to happen.

• Amazon is testing a wireless, satellite-based network that would beam the Internet to owners of Amazon gadgets.

• Uber raised a huge round of funding at a $3.5 billion valuation, with Google contributing more than $250 million.

• Here are some technology breakthroughs that happened when people where high on drugs.

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