This. In the west among the younger generations, sure, Facebook is outdated/dead. Among other generations, and across much of the world, it is still almost as essential as email.
https://en.wikipedia.org/wiki/Facebook_Zero
A criticism also stated that Facebook is practicing digital colonialism because it is not introducing open internet but building a "little web that turns the user into a mostly passive consumer of mostly western corporate content”.
An article by Christopher Mims in Quartz in September 2012 stated that Facebook Zero played a very important role in Facebook's expansion in Africa over the 18 months following the release of Facebook Zero, noting that data charges could be a significant component of mobile usage cost and the waiving of these charges reduced a significant disincentive for people in Africa to use Facebook.
To me as a kid with a rudimentary phone and little pocket money, this was also how I got onto and used to access Facebook.
This. It's horrible and outright unusable. I used to block each and every "recommended" post/page, after a few weeks they stopped appearing so frequently.