Clouds are sky-based companies that are well known for many things, including:

• Not turning a profit
• Not having employees
• Not having office space
• Not having names
• Not being legally registered under any country
• Not having products
• Not respecting eachother's boundries
• Being very white
• Flying around
• Pelting passerby with aerial water projectiles

Considering these facts, many people in the Repl.it community believe that Repl.it is not a cloud, however this has yet to be proven.