Mark Cuban Invests in Little Bird to Find Online Influentials

Little Bird goes deeply and geekily into the world of online influence.

Tech Blogger Starts a Company Around His Data Mining (a.k.a. Web Stalking) Skills

Longtime tech blogger (if there is such a thing!) Marshall Kirkpatrick is starting a data mining company devoted to discovering emerging information.

The Locker Project Helps You Stalk Yourself Online

A new start-up called Singly is building an open-source service called the Locker Project to help users archive and leverage their own data.

Voices

Tweets, Google Maps Help Solve Mystery of Portland Explosion

On Sunday night, a loud boom shook parts of Portland, Ore.–and drove residents onto Twitter and elsewhere on the Internet to figure out the cause. On Twitter, people used the hashtag #pdxboom to relay news about the noise. And in a sign of the potential for using social media in emergencies, one resident soon set up a Google map that residents could use to indicate how loud the sound was in their area.

Voices

Web 2.0 Expo: An “American Idol” for Start-Ups

During the “Launch Pad” session, five start-ups took a grilling from developers, journalists and venture capitalists, then faced a crowd vote at the Web 2.0 Expo’s version of “American Idol.” As attendees texted their votes, moderator John Battelle, founder of Federated Media Publishing, jokingly asked: “Want to have a dance-off?” None were necessary. The techies in attendance were starry-eyed for all things mobile, picking Nitobi’s PhoneGap, an open-source tool for building mobile apps, as the People’s Choice winner. Life-tracking site zeaLOG was a close second.