TikTok is used by Gen Z like Google, upending the established internet order

However, TikTok is quickly replacing well-established internet titans as the go-to source of information for the next generation of teenagers and young adults.

According to EMarketer, TikTok's sales are expected to triple to $12 billion this year, which is impressive for a 5-year-old startup but pitiful in comparison to Google and Facebook. (Reuters credit for the photo.)

Google is a search engine. TikTok exists for amu....