Video ad tech firm Pixability aims to double the size of its engineering team, the Boston Business Journal reports.

Kayak is opening an office in Cambridge, Mass., the Boston Business Journal reports.

Cambridge, Mass.-based Ditto Labs, an ad tech startup that has a developed a technology that analyzes photos posted on social media sites, says it has raised $2.2 million from investors, according to the Boston Business Journal.

Boston ad tech firm Moontoast has acquired Nashville, Tenn. start-up Spendship, according to the "Boston Business Journal."

Extreme Reach has acquired video ad intelligence group BrandAds, according to the Boston Business Journal.

New England Cable News's news director and assistant news director have both left the station, according to the Boston Herald.

Propel Marketing is now one of the fastest growing marketing firms in the Boston area, the Boston Business Journal reports.

Greater Media has hired Clear Channel executive Mary Menna as general manager of WMJX-FM, the Boston Business Journal reports.

WGBH's radio show "Innovation Hub," which originally focused on innovation in the Greater Boston area, will now be aired on more than 750 stations around the country through Public Radio International, BetaBoston reports.

Framingham-based Staples is acquiring Canadian retail software developer PNI Digital Media, the Boston Globe reports.