Booting Up: Marissa Mayer’s First Year at Yahoo!, Gowalla Cofounder Exits Facebook

Happy anniversary! (Photo: Mario Tama/Getty Images)

Happy anniversary! (Photo: Mario Tama/Getty Images)

It’s been one year since Marissa Mayer was installed as Yahoo!’s CEO but aside from a reversal in stock (that’s up 70 percent), critics charge that there hasn’t been much of a turnaround. [Wall Street Journal]

Gowalla cofounder Josh Williams is soon leaving Facebook to work on a new startup. [AllThingsD]

Apple is supposedly creating some elaborate ad-skipping television technology that would compensate media companies. [Jessica Lessin]

Shipments of Google Chromebooks could spike in the latter half of the year because of “weak demand” for Windows-powered machines. [CNET]

Hackers can tap into Verizon cellphones for $300. [NPR]