News bites: Mayer debuts as Yahoo CEO

Marissa Mayer made her public debut as Yahoo's CEO, but the company's weak results showed the work she has ahead of her, The Wall Street Journal reports.

Apple is expected to unveil an iPad mini on Tuesday, according to Reuters.

The New York Times reports on tech giants scrambling to compete in the mobile computing world.

Microsoft announced new offerings to connect the Xbox to other devices, The Wall Street Journal explains.