Still less than a quarter century old, the technology behind online and digital advertising has advanced dramatically over the past decade, with the proliferation of increasingly-sophisticated multimedia and design software, emergence of Google, and social platforms such as Facebook, LinkedIn and Twitter, combining to provide brands with a wealth of tools which can be used to target and engage customers, new and old.

The launch and rapid growth of the iPhone in 2007, and the beginnings of the iPad-led tablet market just two years later, have ushered a move into the portable, mobile space, providing new opportunities for marketers.

This infographic from PointRoll takes a closer look at the history of digital advertising.

(Source: PointRoll. Social media image via Shutterstock.)