The majority of all digital content will be distributed over the Internet in the years to come, eMarketer predicts. That process is well under way in the music sector, thanks to iTunes. Ironically, its restrictive digital rights management technology is also helping keep illegal file-sharing alive and well. Globally, mobile music services will quickly exceed PC-based online music services in the years ahead. 2007 will see the TV and movie industries dip their toes in the digital waters. Well-known online brands such as Amazon and AOL have joined market leader Apple iTunes in offering Internet users digital downloads of music, movies and TV, but will consumers buy what they are offering? eMarketer forecasts that U.S. consumer spending on digital music, TV and movies will approach $7.8 billion in 2010, up from $1.3 billion in 2005.