Facebook is giving businesses more reasons to use Facebook Messenger to reach customers.

Marissa Mayer knows fashion, and she's bringing more of it to Yahoo with her latest acquisition announced Friday.

Facebook is preparing a new way to show videos on the social network and opening the door to a new source of advertising revenue at the same time.

When you're not liking your friends' photos on Facebook, you're likely to soon have more opportunities to buy stuff.

Roughly half a million people now stay in AirBnB accommodations worldwide each night, double the number from a year ago. But a big question AirBnB hosts wrestle with is how much they should charge their guests.

Pinterest, whose site is used by many to bookmark desired retail items, will now let its users buy those items directly from its site.

A lawsuit that alleges Yahoo's email scanning practices are illegal can proceed as a class action complaint, a development that will shine the spotlight on the Yahoo Mail use of messages' content for advertising purposes.

Performing a search on Google now also displays relevant tweets from Twitter. The integration will widely distribute Twitter content beyond its own site and is also aimed at adding a new real-time element to Google search results.

Google will include a "buy" button in its search results on mobile devices in the coming weeks, said a report on Friday in the Wall Street Journal, a move that could give online shoppers an easier way to buy products on small screens.

Microsoft is adjusting how it ranks Bing search results for mobile users, prioritizing sites that display better on smaller screens to accommodate the increased use of mobile search.

Facebook aims to speed up the delivery of news on the company’s mobile apps with Instant Articles. The New York Times, National Geographic and others will use it to publish interactive articles directly on Facebook’s iPhone app.

Soon, when you do a search on your iPhone for someone's contact info, a recent tweet from them might also pop up.

Facebook continued growing its business with ads placed on small screens last quarter, when it generated 73 percent of its sales from mobile ads.

Google has taken a big step in its efforts to make mobile websites act more like native applications on Android smartphones, by adding notifications to its browser.

In an effort to boost its mobile offerings, Yahoo is reportedly finishing up a deal to buy Foursquare.

Facebook has launched a standalone Messenger app for chatting on the Web outside of Facebook.com.

Conventional wisdom suggests timing is everything, but money and power certainly sway things as well. Being first only matters until it doesn't.

Facebook has released a new app for making videos that it thinks can win over the competition by allowing collaboration among friends.

There's nothing like a brand-new medium to put marketing departments into overdrive, and it would be hard to find a better example than the recent, rapid-fire arrival of live-stream video apps Meerkat and Periscope.

Twitter is about to catch up to Facebook circa 2011. The self-styled information network recently announced it will partner with Foursquare to let users tag your tweets with specific locations. Until now, including a location in a tweet only added the general area individuals were in, such as a city.

The insight gained from a single tweet might not be worth much, but what about from a million?