No, it's not a country centric view. People do not use Weibo and Facebook, they use Weibo or Facebook depending were they live. Facebook has a monopoly in most

No, it's not a country centric view. People do not use Weibo and Facebook, they use Weibo or Facebook depending were they live. Facebook has a monopoly in most western countries, Weibo in China. The reason why Weibo is dominating in China is political. That will change. It might not be Facebook that overtakes Weibo, but something will do it once China opens its Internet. Slack and its competitors are just forming a new market that will be overtaken by one company. Because software services are not tied to a geographical area and because they are immaterial and will not run out of stock, there is no reason to use second best software. While hiring slowest lumberjack to help the fastest one makes the project finish up faster, the same is not true with software. You just use the fastest one.