Justin Bieber began his career with home videos on YouTube, where he was discovered by his future manager Scooter Braun. Both Justin Timberlake and Usher wanted to work with him, but Bieber decided Usher would have been the right pick. In October 2008 he was signed by LA Reid at Iceland Records. His first single One Time was released in July 2009 and reached the twelfth position in the Canadian Billboard charts and # 17 in the U.S. charts. Already in the early fall the song was also released in parts of Europe.

Followed in October with One Less Lonely Girl, another top-20 single, before he published in November his debut album My World. Two successful R & B producers, The-Dream and Tricky Stewart had Bieber as support on his first album. It rose in his native Canada to No. 1 on the album charts and came in 6th place in the U.S., and after a short time gained platinum status in both countries.

In the United Kingdom Justin Bieber gained fame in January 2010. The debut single One Time reached number 11 there and the album went a week later number four at the charts. He also released  in January, his first single from his second album My World "Baby" (featuring Ludacris), which was No. 5 on the Billboard charts and top ten in 6 more countries to his largest ever hit. His second album debuted at number 1 on the Billboard chart.

Bieber is one of the most popular celebrities in Twitter. He comes to about 6 million "followers" (November 2010) and Twitter with 265 000 lists the most sought after celebrities on Twitter. Specifically deal with the requests and server set up, he is responsible for 3% of the total traffic on Twitter.

By Melanie Bradley