here is a Twitter thread that goes into details on a topic: https://twitter.com/5katkov/status/1233429520708927490

It took me couple of weeks to build, but 6 months to consider all possible details and gotchas. You ask me, why so long? It's just a shortener? The reason is - nobody built a shortener like this.  It spits out short URLs, like any other shortener, but it leads to an amazon page with products pr...