With 2016 coming to an end, Facebook shared its favorite hacks for the year from the many hackathons it hosted.
The social network pointed out that its initial hackathon of 2016 was also its 50th companywide hackathon, so it was dubbed the Global Hack Jubilee.
Facebook also highlighted its Voyager transponder, saying in a blog post that it was built on the data-center technology it used for its Wedge 100 top-of-rack switch, and it was able to transmit Ethernet traffic at 200 gigabits per second over a single wavelength.

Messenger was also a frequent topic during Facebook?s hackathons, and the social network said in its blog post:
Hackathons often aren’t long enough to create something completely from scratch. Instead, many teams find ways to build on top of Facebook’s existing infrastructure in new ways. A Seattle-based group of engineers and designers leveraged some of the infrastructure behind Facebook Live with the goal of building a small, private, livestreaming experience within Messenger. The hackathon project was built on top of multiway, a backend service in C++ that handles connectivity, media encryption and decryption, and sharing call state between multiple participants. By the end of the hackathon, they were able to start a live videostreaming session in a group thread on Messenger and have other people in the group join as view-only participants, using the same signaling and permission models as the existing group audio calling feature within...