Given the task definition and input, reply with output. Answer the question from the given passage. Your answer should be directly extracted from the passage, and it should be a single entity, name, or number, not a sentence.

Passage: In 2000, ABC launched a web-based promotional campaign focused around its circle logo, also called 'the dot', in which comic book character Little Dot prompted visitors to 'download the dot', a program which would cause the ABC logo to fly around the screen and settle in the bottom-right corner. The network hired the Troika Design Group to design and produce its 2001–02 identity, which continued using the black-and-yellow coloring of the logo and featured dots and stripes in various promotional and identification spots. Question: In 2000, ABC started an internet based campaign focused on what?
circle logo