Theres not really a 100% valid answer to that more or less just lingo that caught onto a wide demogragh of people.
Answer:The internet is a communication medium, it's not a location. The usage is similar to communication carried by other media. In English, we talk to people "on the 'phone", not "in the 'phone"; we listen to programs "on the radio", not "in the radio"; we watch things "on the television", not "in the television". Not all languages make that distinction when using prepositions, but English is fairly consistent (in this case).internet.
Internet, mrejha (attr.)
Protocolo Internet
it doesn't say on the internet, believe me it doesn't say on the internet, believe me
To surf the internet: navegar por internet
Solo dél internet
well i say you should buy a DSi if you want a internet a normal ds can't get internet
You bought it off of the internet
¿Estás en un café de internet?
Mostly all people dont have internet. we can say most of the people have internet.
In Spanish, they say "La red" for the "the internet"
I say to you YES