New speakers, sponsors for DiscoveryBeat; today is last day for early-bird discount

We’ve got some great momentum for VentureBeat’s upcoming DiscoveryBeat event, which will attack the problem of how to get attention for an app in the midst of a lot of noise.

LaDiDa brings reverse karaoke to your iPhone

There are tons of karaoke applications for the iPhone, but a startup called Khu.sh is introducing a twist on the concept, “reverse karaoke,” to the App Store.

French game maker Gameloft ditches the Android platform

French mobile phone games publisher Gameloft said it is giving up on the Google Android platform.

Hot Potato launches event streaming, storytelling in real-time

Hot Potato launched a service today that lets you create streams of content around events.

You can create an event and then other people can check-in to it.

Playhaven creates lots of fan communities for iPhone game developers

Playhaven is making it easy for gamers to create fan communities around iPhone games. It does so by creating online forums for fans on its web site, with a new fan section for every iPhone game.

Google search marketing gets all touchy-feely

Google hasn’t traditionally engaged in large-scale advertising campaigns.

Microsoft misses the boat on web applications

Editor’s note: Chuck Dietrich is the chief executive of online presentation company SlideRocket, and previously served as general manager and vice president of mobile at Salesforce.

Twitter COO Dick Costolo: Revenue is on and advertising is coming soon

Twitter COO Dick Costolo is on-stage at TechCrunch’s Real-Time CrunchUp. I’m taking some notes as we go.

Infoaxe — a real-time search engine that doesn’t rely on Twitter

Infoaxe, which records your web history and make it searchable, just launched a public facing real-time search engine tapping the behavior of its more than 2 million users.

Cloud Engines launches next generation Pogoplug

San Francisco startup Cloud Engines, maker of a box-like device called Pogoplug that makes external hard drives accessible from any computer or iPhone, today launched the next generation of the device, supporting more hardware and software capabilities.