Twitter CEO Dick Costolo on Platforms, Reliability and Independence at D@CES

Twitter has crossed the threshold from Web novelty into something substantial. Now Dick Costolo’s job is to turn it into a business–one big enough to justify the sky-high valuation investors have given the messaging company.

Shocking Bieber Upset: Oil Spill Tops Twitter's 2010 Trends

Although World Cup tweeting caused record high volume and infrastructure demands on Twitter, the most-discussed topic on Twitter this year was actually the Gulf oil spill, said the San Francisco-based company tonight.

LeBron James Gets a Jump on the Season, With an Assist From the Internet

In the old days, advertisers had to pay media companies to run their ads. Now you just put it out on YouTube, and let everyone else spread the word, gratis.

Exclusive: Want Twitter to Help You Find More Followers? Pay Up For a "Promoted Account."

Twitter is still working to get its first two ad products up and running. But it’s going to launch a third, anyway: Tomorrow the company will show off “Promoted Accounts” at an ad industry conference in New York.

ESPN's Spiked LeBron James Story Is Scandal-Free, Does Mention "Panties"

Why did ESPN kill a pretty tame Web story about the most famous athlete in America? Hard to guess. In any case, it doesn’t matter now: On a slow summer day, it’s perfect fodder for bored Web surfers.

Steinbrenner's Death Gives Sports Illustrated a Chance to Flex an iPad Muscle

Is this week’s big sports news about LeBron James or George Steinbrenner? Sports Illustrated’s digital edition lets readers decide.

Viral Video: John Mayer Channels LeBron James

Oh, that scamp John Mayer is such a jokester. Here’s a video the singer did in the wake of all the controversy around the basketball star choosing Miami to play for and leaving behind a dejected and angry Cleveland. Big surprise, given his promiscuous reputation: Mayer will play for everyone.

LeBron James and the Giant Twitter Link

What does really, really intense Twitter and Web interest look like in graph form? Glad you asked!