Dropbox says no evidence of hack in investigation of spam

Dropbox says its ongoing investigation into a possible security breach has not produced any evidence that its systems have been infiltrated.

Beeezzz

Tech's center of gravity shifts north to San Francisco

The venture capitalist Vinod Khosla recently described Silicon Valley as a state of mind, rather than a geographical place. If that's the case, that state of...

Bing and Google deepen social integration in search

Microsoft and Google are each taking steps to extend the social networking capabilities in their search services.

Will Marissa Mayer bring new life to Yahoo as CEO?

Yahoo's appointment of longtime Google executive Marissa Mayer as its new CEO is a bet on a strong, competent leader, though one without experience in the company's core businesses, according to analysts.

Skype glitch sends messages to the wrong contacts

Skype confirmed on Monday that a glitch in its software has led to instant messages being shared with unintended parties.

Yahoo, Facebook settle patent dispute

Yahoo and Facebook have settled a patent dispute, according to a statement Facebook released Friday afternoon.

Twitter bolsters search functionality

Twitter will bolster search functionality to automatically complete users' queries and suggest related search terms, among other improvements.

Google makes small changes to Google+ but shows social skills elsewhere

The company rolled out incremental improvements to its social network platform while adding social elements to its other offerings.

Zynga to roll out unified gaming platform, multiplayer gaming

Zynga announced Tuesday that it would build a social gaming network that provides a more unified gaming experience, whether players are on Facebook, iOS or Android devices.

Facebook ventures into social discovery with Find Friends Nearby

Facebook is testing a mobile-only feature, called Find Friends Nearby, that allows users to connect with new social contacts based on who is nearby and using a browser.

Google will have to defend Android at I/O conference

As Google ramps up for its big I/O conference in San Francisco this week, analysts say the company must continue to prove the value of its Android operating system to developers.

LinkedIn hit with lawsuit over massive data breach

LinkedIn has been hit with a potential class-action lawsuit alleging it failed to meet "industry standard" security practices in connection with a massive data breach earlier this month.

Square launches support for customer loyalty programs

Square, a startup focused on facilitating credit card transactions at small businesses, began supporting customer loyalty programs in updates of its major apps launched Tuesday.

Facebook acquires Face.com

Facebook has acquired Face.com, the facial recognition software company whose products power Facebook's photo tagging suggestions, according to a blog post.

Facebook pushes security tips to all its users

Facebook has started promoting security tips at the top of each user's home page, with a link to information about scams, passwords and how to stay safe on the social network.