A List of the Ten Most Valuable Brands in the World This Financial Year:
Amazon;
Apple;
Google;
The Samsung Group;
Facebook;
AT&T (American Telephone & Telegraph);
Microsoft;
Verizon;
Walmart; &
The Industrial and Commercial Bank of China.
A brief description of each of them:
Online retail trailblazer;
Computers, phones, TV;
Internet web, a mega 'billboard';
Phones, gadgets;
Think talkathon, fandom, crazy election havoc (hahaha!);
Mass media;
Software;
Communications;
Full of popular retail; &
Mortgage, finance.
What one word describes how I have named each brand?
There might be many, though I am looking for an $8$-letter word that is actually one of the tags on this site! I will include that tag after I have accepted an answer (or else it would spoil the puzzle).
This is not my puzzle, and will provide attribution after I have accepted an answer. For users who've seen (or might have seen) this puzzle before...
...lucky you.
The title is also a clue.