New York - Video rental giant Blockbuster is in negotiations toward taking a stake in the new pay-TV movie channel joint venture announced by Viacom and several movie studios last week, people familiar with the situation told The Wall Street Journal. [more..]

Washington - With their merger possibly on the brink of completion, XM Satellite Radio and Sirius Satellite Radio both announced on Tuesday that they would both postpone their annual meetings. [more..]

New York - Divisions of three of the four major record labels on Monday filed copyright infringement lawsuits against Project Playlist, a site that lets users create playlists from streaming songs served from all over the Internet, Reuters reported. [more..]

Atlanta - Cox Enterprises, the owner of a cable TV and broadband provider, newspapers, television and radio stations, announced on Tuesday that its Cox TMI unit will acquire Adify, a provider of vertical online advertising. [more..]

Basking Ridge, N.J. - Verizon Wireless and international mobile network Vodafone announced on Tuesday that they will team to offer what they say is the "first ever live global mobile simulcast" tomorrow, when they provide live streaming of Madonna's concert at the Roseland Ballroom in New York City. [more..]

Toronto - Canadian telecommunications firm Rogers announced on Tuesday that it has partnered with Apple to launch the iPhone in Canada this year, but declined to provide details on pricing or a release date for the device. [more..]

Sunnyvale, Calif. - InvenSense, a developer of motion sensing units for mobile consumer applications, said on Monday that it has raised $19 million in its third round of funding, led by new investor Sierra Ventures. [more..]

Berkeley, Calif. - MOG, a music discovery service with a desktop music player, has raised $2.8 million in new financing, from Universal Music Investments, Sony BMG Music Investments and The Angels Forum 74, VentureBeat reported. [more..]

Los Angeles - Serious Business, a developer of social media applications such as the "Friends for Sale" game on Facebook, has raised $4 million in a first round of financing from Lightspeed Venture Partners, the Inside Facebook blog reported. [more..]

Boston - Paid Inc., a provider of websites and fan club services for celebrities and organizations, announced on Tuesday that it has signed a new $2.5 million revolving credit line with Lewis Asset Management. [more..]

Novato, Calif. - Sonic Solutions, a provider of digital media software, announced on Tuesday that it has acquired the assets of Simple Star, the developer of PhotoShow, an application that lets users create multimedia files from photos and videos. [more..]

I looked at Hitwise clickstream data and it appears that Twitter is building on a loyal user base. The site's top sources of traffic last week were Social Networks and Forums, Email Services and Search Engines, blogs Heather Hopkins. [more..]

New York - Digital music service eMusic on Tuesday announced the availability of its service in Canada, offering a catalog of 3.5 million songs from 33,000 labels in the unprotected MP3 format. [more..]

Los Angeles - News Corp.'s MySpace social network on Tuesday announced the launch of MySpace Karaoke, an online karaoke service powered by kSolo, which Fox Interactive Media acquired in April 2006. [more..]

San Antonio - Clear Channel Radio on Tuesday announced the launch of erockster, a site that offers a collection of on-air, online and on-demand music content, along with community features. [more..]

San Jose, Calif. - CellSpin on Tuesday introduced its mobile application that allows users to post audio, video, photos and text on social media sites including Facebook, MySpace, YouTube, Blogger, Picasa, Flickr and even live eBay auctions. [more..]

New York - The BBC announced on Tuesday that it has made BBC America programming available for purchase for the first time from Apple's iTunes Store. [more..]

New York - Sirius Satellite Radio said on Tuesday it has signed a deal with Logitech, to make over 80 Sirius channels available for streaming on the company's Squeezebox line of network music players. [more..]