Complex sentence: While blogging remains popular, today many casual internet users tend to rely on free social networking services such as Twitter, Facebook, or MySpace that serve the same purpose as a personal webpage, just without the prerequisite foundation in web design.
Split into simpler sentences: While blogging remains popular, today many casual internet users tend to rely on social networking. Free services such as Twitter, Facebook, or MySpace serve the same purpose as a personal webpage, without the prerequisite foundation in web design.