... market capitalisation.
The Big Five's increasing market dominance is fuelling concerns about competition and data privacy.
US regulators are reportedly about to get tough on the five monopolists, believes Jonathan Kanter, a Washington-based antitrust attorney. who believes attitudes may be changing.
Google is expected to attract more than 40% of digital advertising dollars this year according to an unnamed analyst, while Amazon is on track to collect half of all US online sales by 2021.
However, in the Spring of this year, a group of Republicans introduced a broader proposal that would require firms such as Google and Amazon - in addition to traditional internet providers - to get user permission before sharing their data.
Read the original unabridged BBC.co.uk article.
[Estimated timeframe:Q2 2017]
MTT log date:
Jun 12, 2017
All data sources are attributed with links to the original insight. The insight
is then summarised and, where appropriate, enhanced with additional information.