Defending British Open champion Stewart Cink also happens to be one of golf’s most engaging personalities on Twitter, where he has more than 1.2 million followers.

NYC Media, the official network of the City of New York, and how-to video network HowCast have created a series of instructional recycling videos that will be broadcast on the City’s flagship television station and NYC Life (Channel 25), online at nyc.gov/media and, most interestingly, via QR codes featured on the sides of roughly 2,200 New York City Department of Sanitation trucks.

This series is supported by IGLOO , a leader in helping organizations improve business processes, increase employee productivity and enhance stakeholder engagement inside and outside the organization using social technologies.

For continuous World Cup coverage, check out Mashable’s 2010 World Cup Hub . Only now that the World Cup has ended can we truly look back and appreciate how massive the event was

Cristiano Ronaldo — whose Portugal team is battling Spain as we speak in the World Cup — has his own iPhone app [iTunes link]. To paraphrase Mashable’s Brenna Ehrlich, “of course he does.” The most expensive football player in history, Ronaldo is known for his famous tricks and amazing footwork. The $1.99 app offers both an arcade mode where you can try to recreate his playing style, as well as other features that act as more of a portal into the world of Ronaldo.

This series is supported by Webtrends Mobile Analytics . Webtrends Mobile Analytics lets you monitor the adoption and usage of your mobile apps and mobile sites

I reiterate my previous assertion that Google Street View was created for fun and fun alone . Google has added an awesome little Easter Egg to the service when one surfs through maps of South Africa : a vuvuzela clutched in peg man’s hot little hands. We already know that the South African instrument has taken the world by storm (whether the world likes it or not ) — hell, it’s even invaded the Google-owned YouTube .

Meaghan Edelstein has gained national media attention through her blog, I Kicked Cancer’s Ass , which she started to document her battle with end stage cancer.

Sometimes referred to as the “cuddle” chemical, oxytocin — a hormone produced in the brain — stimulates feelings of trust and security, reduces anxiety levels and may even produce positive sexual side effects. It sounds like a miracle drug, so how does one get their hands on it?

It’s been an auspicious week for Apple and its much-touted wonder device .