allows you to wait for multiple things at the same time, while paralellism allows\\nyou to _do_ multiple things at the same time. Using [Task.map2](https://packages.gren-lang.org/package/gren-lang/core/version/7.0.0/module/Task#map2) with two HTTP requests will now be faster, but using [Task.map2](https://packages.gren-lang.org/package/gren-lang/core/version/7.0.0/module/Task#map2) to compute\\ntwo separate things will have the same performance as before.\\n\\nThis feature was contributed by [Andrew MacMurr