Around the Web 3.26.09: iTunes gets price sensitive, BlackBerry may serve up TV downloads, Twitter is going pro

Does Gov. Schwarzenegger want to return his Tesla electric roadster, which he used to cite as an example of California green? Credit: Ambidanze via Flickr

-- Twitter co-founder Biz Stone says the company  hired someone to develop premium accounts that would offer more features. Like tweets, details were short. WSJ

-- ITunes is switching to a variable-pricing model next week, with the hottest songs costing as much as $1.29 and slower-moving ones costing 69 cents.  LAT

-- Facebook will listen to users and tweak its homepage over the next few weeks -- though the design will stay roughly the same. The company will focus on improving what appears in the stream and highlights section. Facebook Blog

-- Microsoft's new Internet Explorer 8 lost market share all of a sudden. Are people switching back to IE 7, or are the stats flawed? Houston Chronicle TechBlog

-- Google executives opted for a $1 salary again in 2008, and except for the CFO, nobody got any new stock either. (They're riding on 2007's stock.) CNET

-- A new part of the iPhone App Store contract requires that developers provide a full refund to users who want one -- even though Apple still keeps its 30% commission. This could mean disaster for some developers. TechCrunch

-- Yahoo has tested 141 new versions of its home page in search of a better option. PaidContent

-- Rumor has it that Research In Motion will put out a TV download service for its BlackBerry smartphones soon. NewTeeVee

-- Barnes & Noble tries to get into the e-book market by launching a free reader for the BlackBerry. WSJ

-- Gov. Arnold Schwarzenegger reportedly is looking into returning his Tesla roadster, but the company apparently convinced him otherwise -- to avoid the bad publicity. ValleyWag

-- Chris Lesinski