The competition for advertising on mobile applications is in full swing, with Twitter Inc., Facebook Inc. and Google Inc. ramping up efforts.
AdRoll.com, which makes technology that targets advertisements to consumers using mobile devices, raised $70 million from private investors as publicly traded competitors languish.
Facebook Inc. will let people know when their friends are nearby via smartphone notifications, adding features for its growing base of mobile users.
Twitter Inc. said its new mobile- advertising product will be able to reach more than 1 billion devices, rivaling the number of users on Facebook Inc.
The decline in publicly traded technology stocks is fueling concern that Silicon Valley startups will follow with plummeting valuations.
Twitter Inc. hired Google Inc. executive Daniel Graf to be its new vice president of consumer products, sending the microblogging company's stock soaring the most since its first day of trading.
Twitter Inc. is buying longtime partner Gnip Inc., seeking to offer more insight into trends, breaking news and other data from more than half a billion tweets posted each day.
Hidden away in Building 17 of Facebook Inc.’s headquarters is a 170-person team that’s toiling away on products not usually associated with a social-networking company: hardware.
Even as Twitter Inc. raised $1.82 billion in an initial public offering last year, Chief Executive Officer Dick Costolo’s compensation plunged.
The technology stock selloff of the past week has come with a price tag for Silicon Valley’s richest: $11.5 billion.