Twitter Says No Plans for IPO or Fundraising on the Horizon

Twitter co-founder Biz Stone has rejected the IPO rumors and widely reported notion that the popular microblogging site is in talks to sell a 10% stake to JPMorgan Chase for $450 million -- which would have jacked up the site's valuation to $4.5 billion.

Is Twitter Worth $3.7 Billion? Not in the Real World

That's the value a $200 million venture investment led by Kleiner Perkins this week implies. But that means Twitter, still lacking a viable business plan, would have a price-to-sales ratio of 840 compared to Facebook's 26 -- or Google's 8.7. And Twitter's growth may be stalling.

Ex-CEO Says Twitter Has Plenty of Money in the Bank

Amid rumors that Twitter is considering pursuing another round of venture funding, the microblogging site's co-founder Evan Williams said his company has "a lot of money in the bank," and that its advertising efforts are paying off better than expected.

Twitter COO Dick Costolo Replacing Evan Williams as CEO

Twitter CEO Evan Williams is stepping down from the top job at the microblogging service to direct product strategy. Chief Operating Officer Dick Costolo, a successful entrepreneur and former Googler, will assume CEO duties.

The New Twitter Isn't Nearly New Enough

Twitter.com's revamped site offers much-needed new functionality, but such functions and more are already available on Twitter clients. And the latest Twitter.com incarnation really won't make it easier for the company to seriously monetize its hugely popular service.

Is Twitter Slipping or Regrouping?

Taken as a whole, 2009 was a great year for Twitter. Yet, 2009 wasn%u2019t a whole: it came in parts. Those that came at the beginning of the year were more favorable than those that followed, leading many to suspect that Twitter reached its peak last August.

Is Twitter Really Profitable?
Do the Math

Recent news of Twitter's profitability may have been hasty. Dig into the numbers, and it becomes increasingly unlikely that Twitter has turned the corner. And, 2010 could be ugly, too.

Twitter opens the door to advertising

Rapidly growing microblogging site Twitter might have found a way to generate revenue. The social media platform, which has been around for two...