Nevermind the 60s what about the 90s internet. Show them this ad for AOL.

What about the 90s internet? Maybe they'll relate to that. Then take them on a journey to pre commercial internet, then onto computing and networking before the internet?

This 90s ad for AOL is hilarious.

Try searching for "internet minute". There's some great infographics that may illustrate how far computing power and the internet has come.