Floyd Mayweather Jr. defeated Miguel Cotto in a unanimous decision Saturday night to capture a piece of the 154-pound boxing title. Now that Mayweather has captured his 8th championship belt, many are hoping for a fight with Manny Pacquiao.

We used Social Radar to analyze conversations around Mayweather online.

Mayweather conversation sentiment

Conversations around Mayweather are currently 74% positive. Justin Bieber, who entered the ring carrying Mayweather’s championship belts alongside Lil Wayne and 50 cent, was a major topic of conversation.

Justin Bieber mentions within Mayweather conversations

Bieber is currently being mentioned in 16% of all Mayweather conversations. Conversations mentioning Bieber and Mayweather are 93% positive.

On May 4, Adam “MCA” Yauch, a founding member of the pioneering rap band the Beastie Boys, died after a nearly three-year battle with cancer. Fans paid tribute to MCA via Twitter and other social media sites. We used Social Radar to analyze conversations online.

Adam Yauch / MCA / Beastie Boys mentions

Adam Yauch, MCA or Beastie Boys were mentioned more than 2.1 million times online May 4.

Adam Yauch vs. Whitney Houston mentions

For pop culture perspective, we compared Adam Yauch mentions to Whitney Houston mentions — Whitney Houston’s passing in February generated 14X more chatter online.

Rest in peace to both music icons.

The Hunger Games , based on the best-selling book by Suzanne Collins, premiered March 23 and quickly became one of the most talked about movies since Twilight.

The Avengers, Marvel’s action packed movie with a bevy of superheroes including Robert Downey, Jr. as Iron Man, Chris Hemsworth as Thor, Jeremy Renner as Hawkeye and Chris Evans as Captain America, opened in theaters today.

We used Social Radar to analyze conversations online.

The Avengers vs. The Hunger Games buzz

The Avengers is already close to surpassing The Hunger Games mentions online after just one day in U.S. theaters.

The Avengers conversation sentiment

Conversations around The Avengers are currently 80% positive.

After making headlines for the wrong reasons last fall, Netflix is giving customers news to get excited about. Netflix is planning to simultaneously release the entire fourth season of Arrested Development sometime next year. The streaming video subscription service is developing 10 episodes of the series, which was cancelled for poor performance in 2006. Netflix revealed in November that it had signed a deal to revive the beloved sitcom, which it would bring exclusively to its U.S. subscribers.

We used Social Radar to analyze conversations online.

Arrested Development mentions within Netflix conversations

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Arrested Development was mentioned in 34% of all Netflix conversations following the announcement.

Netflix sentiment

Netflix conversations are 89% positive overall.

Host and TV producer Dick Clark died Wednesday at the age of 82. Spokesman Paul Shefrin said the American Bandstand creator had a heart attack Wednesday morning at Saint John’s hospital in Santa Monica, a day after he was admitted for an outpatient procedure.

Dick Clark mentions

Dick Clark was mentioned nearly 2 millions times within a few hours Wednesday, peaking at one mention every 1.1 second online.

Approximately 82% of Dick Clark mentions online came via Twitter; 14% via blogs.

Rest in peace to a true legend.

Music legends Dr. Dre and Snoop Dogg did the unthinkable and resurrected Tupac for an amazing performance to close out Coachella Sunday night. Although several albums have been released after Tupac’s death in 1996, including a biographical documentary that came out in 2003, this is a first for his live performances.

We used Social Radar to analyze conversations around Coachella online.

Coachella buzz

Coachella mentions more than doubled mentions in 2008, 2009, 2010 and 2011.

Coachella sentiment

Conversations around Coachella 2012 were 73% positive over the weekend. Tupac was the most mentioned artist, appearing in 35% of Coachella conversations.

Should we expect to see all of our favorite dead performers in concert as a hologram in the near future?

Jim Gaffigan took pages from fellow comics Louis CK and Aziz Ansari, sidestepping traditional distribution channels (cable networks, record labels) and releasing his 75-minute comedy special Mr. Universe exclusively on his website for $5. $1 from every $5 will be donated to The Bob Woodruff Foundation, helping veterans and their families.

Louis CK paved the way with his digital distribution experiment in December 2011, which cleared $1M in 12 days. CK said he planned to split up profits between people who work for him, himself, and also planned to donate $280,000 to five different charities.

Aziz Ansari followed suit, bypassing cable networks to release his comedy special online in March.

We used Social Radar to analyze conversations around all three comedians online.

Comedian buzz

Louis CK chatter peaked in December following his comedy special release. Aziz Ansar chatter reached its highest point in March following his release. Jim Gaffigan buzz is currently trending up.

Louis CK conversation sentiment trend

Tracking positive and negative conversations around Louis CK over the last year yields interesting results. The grey bar in the background represents total Louis CK mentions, the green line represents the percentage of positive chatter, the red represents the percentage of negative chatter. Notice the grey bar spike in December 2011 when Louis CK released his special, then announced that he would be donating his $1 million earnings to charity. Positive sentiment around Louis CK spiked to 97% positive.

Jim Gaffigan conversation topic cloud

Conversations around Jim Gaffigan are currently 78% positive. The comedy special is appearing in 15% of conversations.

Is the direct-to-consumer model here to stay?

“Downton Arby’s,” the spoof on the popular PBS series “Downton Abbey,” features a similar cast of characters to the British period drama, but instead of being set in a countryside mansion, it’s set in an Arby’s. The video has been viewed more than a million times this week.

We used Social Radar to analyze conversations online.

Arby’s chatter

Downton Arby’s currently appears in 19% of all Arby’s chatter online. Conversations around Arby’s are currently 88% positive, the highest point of the month.

The Internet is buzzing about last night’s Mad Men season premiere. After a 17-month absence, a heavy marketing campaign and a flood of adoring publicity, Mad Men returned Sunday night to record ratings, up 21% over last year.

We used Social Radar to analyze conversations online.

Mad Men vs. NCAA tournament buzz

Mad Men buzz spiked 600% last night, and was mentioned in more conversations online than the NCAA Tournament Elite 8 games over the weekend.

Mad Men conversation topic cloud

Conversations around the Mad Men premiere were 76% positive.  January Jones was mentioned in 5% of conversations, and those conversations were 58% negative (the premiere didn’t feature a single second of January Jones, who plays Betty on the show).

Content distribution

Approximately 71% of Mad Men mentions came via Twitter, and 25% via blogs over the weekend.

For further analysis, visit Infegy.com/socialradar.

Based on the best-selling book by Suzanne Collins, The Hunger Games movie premiered this week and will be released in theaters March 23. The movie stars Jennifer Lawrence, Josh Hutcherson and Liam Hemsworth as teens fighting for survival in a government controlled world that hosts televised games in which participants are forced to kill their opponents. Many have compared the series to Twilight, each aimed at young adults, featuring a female heroine with two potential suitors.

We used Social Radar to analyze conversations around The Hunger Games and Twilight online.

Hunger Games vs. Twilight mentions online

‘Hunger games’ mentions are already fast approaching ‘Twilight’ mentions last November, following the release of The Twilight Saga: Breaking Dawn – Part 1.

Hunger games sentiment

Conversations around The Hunger Games are currently 68% positive. There has been controversy among some parents that the trilogy is too violent for teens.

Will The Hunger Games premiere buzz March 23 top Twilight buzz?