Warning, botnet-like behavior: Hola is a popular extension most commonly used to bypass the geo-blocks on Netflix and Hulu. However it's been discovered that Hola also sells users' connections to a third-party service, meaning your connection can be used by hackers to maliciously attack websites. If you are looking for a way to bypass geo-blocks, there are plenty of great, cheap VPN services that offer far greater privacy and security to their users (2016). Learn more.