Jenna Wortham New York Times

A look at the new service, Poncho, that delivers customized weather updates via text or email.

JuiceTank is the brainchild of two guys who in 2012 were seeking money via crowdfunding site Kickstarter.

Social media stars are finding that working as a conduit for a brand can be quite lucrative - sometimes generating more than enough money to live on.

The complaint said Snapchat collected sensitive data like address book contacts, despite its saying that it did not collect such information.

Tumblr, has more than doubled its staff to 220, and its audience continues to grow, up 22 percent in the last year, to 40 million visitors a month.

No New York startup has been a breakout hit, the sort of blockbuster with a multibillion-dollar valuation that has become so commonplace in Silicon Valley.

Twitter is facing competition from social media companies that are adapting to evolving trends faster, and offer a wider feature set.

If emotional reactions were measured, they could be valuable data points for better design and development.

It has been a rough year for Apple. The company has battled fierce competitors like Samsung, come under scrutiny for tax avoidance.

Yahoo's $1.1 billion-proposed acquisition of Tumblr is a huge coup for the young founder of the even younger startup and a splashy move by Marissa Mayer to shake up her company.

David Karp never finished high school or enrolled in college. Instead, he played a significant role in several technology startups before founding Tumblr.

The release of Glass could shape how we think about human and computer interactions.

Mayer needs to make smart acquisitions to quickly obtain smart young developers who understand the mobile world to help Yahoo compete against Facebook and Google.

Concerns have been mounting on social networks this week as Instagram users reacted to the coming changes, part of a push by Facebook.

Instagram, the picture-sharing application that Facebook bought earlier this year, has not yet figured out a way to make money. But some of its users have.

A look at the new service, Poncho, that delivers customized weather updates via text or email.

JuiceTank is the brainchild of two guys who in 2012 were seeking money via crowdfunding site Kickstarter.

Social media stars are finding that working as a conduit for a brand can be quite lucrative - sometimes generating more than enough money to live on.

The complaint said Snapchat collected sensitive data like address book contacts, despite its saying that it did not collect such information.

Tumblr, has more than doubled its staff to 220, and its audience continues to grow, up 22 percent in the last year, to 40 million visitors a month.

No New York startup has been a breakout hit, the sort of blockbuster with a multibillion-dollar valuation that has become so commonplace in Silicon Valley.

Twitter is facing competition from social media companies that are adapting to evolving trends faster, and offer a wider feature set.

If emotional reactions were measured, they could be valuable data points for better design and development.

It has been a rough year for Apple. The company has battled fierce competitors like Samsung, come under scrutiny for tax avoidance.

Yahoo's $1.1 billion-proposed acquisition of Tumblr is a huge coup for the young founder of the even younger startup and a splashy move by Marissa Mayer to shake up her company.

David Karp never finished high school or enrolled in college. Instead, he played a significant role in several technology startups before founding Tumblr.

The release of Glass could shape how we think about human and computer interactions.

Mayer needs to make smart acquisitions to quickly obtain smart young developers who understand the mobile world to help Yahoo compete against Facebook and Google.

Concerns have been mounting on social networks this week as Instagram users reacted to the coming changes, part of a push by Facebook.

Instagram, the picture-sharing application that Facebook bought earlier this year, has not yet figured out a way to make money. But some of its users have.