Definition: In this task, you need to generate an appropriate title for the given summary of some paragraph. The generated title must be short and should include the main topic of the given text. Your summary should be less than 20 words long.
Input: The US tech giants Apple, Google's parent Alphabet, Microsoft, Amazon and Facebook are the five biggest companies in the world by market capitalisation. Their increasing dominance is fuelling concerns about competition and data privacy.

Are Google, Amazon and others getting too big?