Android has had unprecedented growth. Based on activation announcements, it’s possible to estimate that thus far, about 370 million Android devices have been activated. The total number of devices in use is a lower figure which depends on replacement rate and retirement rate. This total number of devices in use at year end is estimated in the following chart.

Four years ago, Facebook had 100 million users. Today, it has close to a billion. It’s tough to remember a time when every article on the internet wasn’t covered with share buttons, or when you couldn't "like" something by clicking a little thumbs-up icon.

Industry watchers have been talking for a long while now about how the venture capital industry is broken, highlighted by poor returns that in many cases don’t even exceed that of the major stock indices.

McKinsey’s fifth annual survey on social tools and technologies shows that when integrated into the daily work of employees and adopted on a large scale throughout a new kind of business—the networked enterprise—they can improve operations, financial performance, and market share.

On the heels of Facebook’s $1 billion buy of Instagram, this deal doesn’t really rank, but some view it as another indication that Facebook needs to ramp up its mobile experience.