- The total market cap of the top 20 companies is $2.22 trillion
- Apple makes up 23.6% of that
- Apple is worth more than Google and Microsoft combined. You could even add Cisco on top of that, and it still wouldn’t be enough.
N.B. Facebook isn’t on this list as it is not yet included in the list of technology companies on Google Finance. Facebook’s current market cap is $61.66 billion, which would put it in 12th position.
Internet adoption among U.S. adults increased rapidly from the mid-’90s to about 2005. Since then, though, the number of adult Internet users has remained almost stable at around 75 to 80%.