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Socialcam, the mobile social video-sharing app by Justin.tv, hit the App Store two months ago and quickly became a favorite (for me, at least) for quick mobile video sharing. Like Instagram, however, it lacked just one thing - a website.

Today, Socialcam got just that and it makes it easy to go beyond just watching a single video. Now you can sit at home and browse your friends' profiles to see what else they've posted.

Sharing video with friends can be a pain. I can't count the number of times I've waited for minutes on end just to have Facebook tell me the upload failed for some unknown reason or another. And while it's easy to upload to YouTube, it isn't connected to my social graph and the videos just float out there in the void.

Justin.tv, the live streaming video site, has taken a crack at socially sharing video with Socialcam, an app that could quickly become as popular for sharing video as Instagram became for sharing pictures.

Mobile video is exploding. According to Cisco, mobile video will grow at a compound annual growth rate of 131% between 2009 to 2014 as people access more YouTube, Netflix and high-bandwidth material on their mobile devices.

But imagine what will happen to mobile streaming video as the next generation of high-speed wireless networks and devices become the norm.

Streaming video service Dyyno just launched an interesting new product for anybody who wants to stream live video, presentations, games or movies from a desktop to the Web. Thanks to integrating closely with Justin.tv, Dyyno's Universal Broadcaster for Mac and Windows now allows users to share their content with millions of online viewers on the popular streaming video site. Besides signing in to Justin.tv, all it takes is a simple drag-and-drop gesture to start the live video stream.

You could have the greatest idea for a startup in the world. You could even have the best team working together to build a great product. That's all fine and dandy, but for first-time entrepreneurs, if you don't have traction, you're not going anywhere. Traction means having a measurable set of customers or users that serves to prove to a potential investor that your startup is "going places." The tricky part is actually gaining that traction and knowing when you have enough to approach potential investors, so here are a few tips that should help.

Live video, from around the world, streaming right through the phone in your hand: that's pretty incredible. It's not science fiction anymore, it's now something that millions of people have experienced.

San Francisco's Justin.tv announced today that almost one and a half million people have downloaded the company's live-video-stream-viewing app to their iPhones in the first month it's been available. From Leo Laporte's This Week in Tech, to the Future of Money conference, to a lot of content I don't care to watch, Justin.tv is definitely getting traction. This isn't the only company fast finding a lot of consumer interest in mobile video streaming, either.

Chirp, Twitter's big developer conference, begins tomorrow in San Francisco - but if you can't make it, you can still see all the big announcements, hot debates and whatever else might happen streaming live on the web thanks to Justin.tv.

As tech investor Chris Dixon said on Twitter this morning, the Twitter drama that's unfolding is fascinating because it's a struggle between a product that wants to be an open protocol and a company that wants a return on more than $100 million in venture financing. You might find that drama interesting, or you might just be excited to see cool stuff get announced. Either way, it's great news that the rest of the world will get to watch live online.

This week, Justin.tv is rolling out new measures to protect copyrighted live video streams from being pirated on their site. The technology the company is using will allow them to remove pirate channels without having to issue a takedown notice first.

Using technology from Vobile, an online video publishing company, Justin.tv partners (including FOX), will be able to use VideoDNA™ "fingerprinting" technology to watermark their digital content. If the content is spotted elsewhere on the site, Justin.tv will automatically remove the infringing channel. Think of it as DRM for real-time, streaming media.

In an effort to help advertisers reach key consumers, Peerset is launching what it describes as a "psycho-graphic targeting tool." Not unlike dating algorithms, Peerset's targeting algorithm takes keywords and meta data from online profiles and matches them with relevant information. With dating sites, users receive recommendations on potential mates; with Peerset, users receive advertisements and deals on relevant products and services. Video life-streaming network Justin.tv is just one of the groups already reaping the benefits of this system.

With almost half a million broadcasters, popular lifecasting service Justin.TV could probably create a section for clown fightclubs and still have thousands of video voyeurs clamoring to entertain us. The company just launched its first in what is likely to be a long list of sub-sites. Gaming.justin.tv is a sub-site that offers viewers info, events and videos specific to the gaming community. The company is already working on followup sites with music and social channel queued up for the future.