At Tier 1 Investments, a Motley Fool Real Money Portfolio , I seek out and invest in elite businesses. When I find one of these rare Tier 1 enterprises, I tend to add to them repeatedly over
Cortana, Microsoft ‘s answer to Apple ‘s Siri, is one of the rare bright spots for Windows Phone users, who (according to IDC) only account for 2.5% of the global smartphone market. Cortana for
Amazon.com turned 20 years old this year, but you’d never know that by looking at the company’s bottom line. For all intents and purposes, the e commerce giant is still being run like a start