Stephanie Clifford / New York Times:
Microsoft Sues Three in Click-Fraud Scheme  —  AFTER an investigation that took more than a year, Microsoft has filed its first lawsuit over click fraud, where people manipulate clicks on a Web advertisement.  —  Microsoft filed the civil complaint on Monday in United States District Court …

Biz / Twitter Blog:
Down Time Rescheduled  —  A critical network upgrade must be performed to ensure continued operation of Twitter.  In coordination with Twitter, our network host had planned this upgrade for tonight.  However, our network partners at NTT America recognize the role Twitter is currently playing as an important communication tool in Iran.

Erick Schonfeld / TechCrunch:
Facebook Finally Catches Up To MySpace In The U.S.  —  It’s over.  Facebook is now as large as MySpace in the U.S., according to May data released today by comScore.  Facebook actually passed MySpace by a smidgeon, with 70.278 million unique visitors compared to MySpace’s 70.255 million.

Erick Schonfeld / TechCrunch:
Twitter Takes A Breather  —  After experiencing torrid growth during the first months of the year, Twitter took a breather in May.  According to new comScore data released today, Twitter had 17.6 million U.S. visitors in May, which is only 3.5 percent increase from the 17 million U.S. visitors comScore registered […]

Andrew LaVallee / Digits:
Web Users in Iran Reach Overseas for Proxies  —  As voting protests in Iran devolved into violence, and communications remained sporadic, Internet users in the country are calling for proxies they can use to stay online unmonitored.  Twitter, a hub of activity since the rallies began …

Tim O’Reilly / O’Reilly Radar:
Jeff Bezos at Wired Disruptive by Design conference  —  Jeff Bezos is very quotable.  Listeing to Steve Levy interview him at the Wired Disruptive by Design event in New York, I was furiously taking notes.  Here are the quotes I managed to capture:  —  “We’ve co-evolved with our tools … […]

Reuters:
US senators ask FCC to review mobile handset deals  —  Several U.S. senators urged regulators on Monday to review exclusive arrangements regarding mobile handset technology between wireless carriers and cell phone makers and how they affect competition and choice in the marketplace.

Greg Sterling / Search Engine Land:
Hunch: Your “Personal Decision Maker”  —  Hunch is not a “search engine” insists Flickr co-founder Caterina Fake, one of the people behind the new site.  But you’ll probably start seeing it show up in (Google) search results, just like Wikipedia or Yahoo Answers.

Noah Shachtman / Danger Room:
Activists Launch Hack Attacks on Tehran Regime  —  While demonstrators gather in the streets to contest Iran’s rigged election, online backers of the so-called “Green Revolution” are looking to strike back at the Tehran regime — by attacking the government’s websites.

Stuart Dredge / Music Ally:
Virgin Media and UMG launching unlimited music service  —  UK ISP Virgin Media has teamed up with Universal Music Group for its long-awaited unlimited music service, which has been announced today but won’t launch until later in the year.  However, alongside it, Virgin is committing itself to …