i don't see myself as "impulsive" like you describe. I got online when i was 8 and have been online since that day. its been so long...
a few years ago we were talking something and the idea was "internet gets boring after a while" and i responded almost instantly "the buzz i felt the very first time i opened a website, i still get that all these years later, every single time".
instant access to information i'd say. not technology. in the first 5-8 years, there was no facebook or whatever and i had learned the mantra "lurk moar" so it was always a one sided "uh... how about reading about skateboarding" or "what's the nazkca lines" because i saw on TV.
i would read something in books or on tv or newspaper and i could summon the internet and give me more details.
i don't see that as instant gratification but satiety at looking for information and getting it. you have an encyclopedia open at any page so you are being given the data you requested.
instant gratification is in regards to imo the whole social media, twitter, facebook, tiktok.
does anyone become "addicted to wikipedia" for example?