Mastodon is like Twitter but without all the things people don't like about Twitter. Right now it's showing all the signs of disruption but can an open-source version of Twitter actually work?

The idea behind Pownce, a start-up backed by Kevin Rose of digg fame, is to fill the niche that lies somewhere between Internet messaging, blogging, and file sharing. The site goes quite a bit ...

The idea behind Pownce, a start-up backed by Kevin Rose of digg fame, is to fill the niche that lies somewhere between Internet messaging, blogging, and file sharing. The site goes quite a bit ...

Jaiku and Pownce were too comparable to Twitter, and though both offered unique features, they didn't quite differentiate themselves enough to stand out from the pack.

Buzz, Pownce, Mixx--the list of social sites that couldn't turn it around goes on and on. Digg is proving to be the exception, and it's an important twist for every social media site alive today.

During the past decade, we've seen things like Friendster, Pownce, Twitter, Wave, Facebook, Tumblr, Buzz, Gowalla, Brightkite, Foursquare, Loopt, Plurk, Identi.ca, LinkedIn, Yammer and now Google Plus ...

Pownce will be going offline today, and users of the service -- essentially Twitter with multimedia uploading -- have until the end of the day to use the export tool to take your profile with you.

Pownce, which offered a microblogging and file-sharing platform, was acquired by the blog software company Six Apart, while Values of n, which produces organizational and social-networking tools ...

I'm pretty sure that I never went to the Pownce.com site until today, the day after it was announced that the Twitter competitor was going to transmit its last micro-post a week from Monday. Never ...

Pownce, by many accounts, had some really cool features, and was particularly focused on what might be called uber-sharing, letting a person share messages, links, files and events with their ...