1Most common types of software bugs in QA TestingAs per Wikipedia, "A software bug is an error, flaw or fault in a computer program or system that causes it to produce an incorrect or unexpected result, or to behave in unintended ways".
4What is Crowd Sourcing and its Types?This post is a basic explanation to the question of what is crowd sourcing and how many types of such sourcing techniques exist in the current software development world.