Lots of good stuff posted here but personal favorite is the periodic table of videos periodic table of videos

They have a little 5-10 minute video about pretty much every element. Great way to know a little more than just the atomic number and mass.

I don't think this is accurate at all for many reasons. First of all you took the base model price of the least expensive truck while there are a large percentage of sales that are not the base model of the f-150 so your estimated revenue of 19.5 billion is likely way too low.

Second, your list of manufacturers misses a lot of prominent car manufacturers. Looks like you missed the top 15 based on this site. revenue