Countable or Uncountable Noun?

In 1995, Elon Musk launched the firm Zip2 with his brother Kimbal and provided online city guide ____ with useful local ____ to major US city journals.

The two brothers put ____ into their firm and worked ____. Their ____ so successful that they could finally sell Zip2 for $307 million to the US computer pro-ducer Compaq.

In 1999, Musk co-founded the online financial service provider X.com, merged with its main competitor Confinity, and eventually named the new company Paypal. The firm conquered international markets, increased the number of ____ , and made so ____ that they could sell the company to ebay for $1.5 billion in 2002."

In 2002, Musk founded the space technology company SpaceX. It produces reusable rockets and ____. In 2015, SpaceX was the first in history to shoot a rocket into ____ and return it safely to earth with only ____.

With SpaceX, Musk aims high. First, he wants to reduce spaceflight ____ by a factor of 10. Secondly, he intends to send ____ to Mars within the next 10-20 years and wants to establish a Mars colony by the 2040s.

In 2003, Musk founded Tesla with two car engineers who had gained ____ in the car industry and provided ____ to Musk. Tesla wants to produce electric cars at ____ affordable to all consumers.

Musk also co-founded the firm Solar City, which develops innovative solar cell ____ and sophisticated solar panels in form of roof tiles. The tiles work well, but hardly make sense if no batteries are available to store ____ in times of low power consumption.

That's why Solar City developed battery powerwalls with huge capacities for energy ____. People can install these walls in their houses, just like their other ____ , and connect them with the solar tiles, thus becoming independent from the public grid.

Recently, there ___ also been much information about Musk's hyperloops. These are high-speed underground tunnels in which capsules ride on air cushions and transport hundreds of ____ and ____ from A to B. Predictions are that resident/residents can travel from LA to San Francisco in just 30 minutes.

Musk also co-founded Open AI. The firm supports scientists who are trying to develop friendly artificial ____. They have already made some ____. ____ good news , as there is growing concern that AI could turn evil.

Musk has also co-founded Neuralink, a technology startup which conducts diverse ____ in the field of computer brain interfaces. It tries to develop tools that can be inserted in the human brain to treat diverse ____and to up- and download thoughts.