CNBC Uncharted: Marissa Mayer one year later

It's been a year now since Marissa Mayer took over as CEO of Yahoo.

In that time, investors and the general public have seen their share of drama, including a flurry of big acquisitions, personnel cuts, a telecommuting controversy and a fashion faux pas on the red carpet. Not to mention the stock has soared about 70% since she started the job.

There may be plenty of questions or anticipation about Mayer's vision for the future of Yahoo, but if the past is any indication, we could see plenty of bold moves ahead.

Here's a look at some of the highs (and lows) of her first year as CEO.