Just guessing, but I think people got so saturated with "Pro" and "Premium" that it started to leave that slimy feeling you get from "Luxury" and other pseudo-fancy marketing terms.

I have the appropriate response to this. It’s available in my brand new service: Answer Plus.

You really should subscribe!

How does your "Answer Plus" compare with "Solution Pro"?

The latter has "contact us for pricing".

Well, it kinda started in 1994...

https://en.wikipedia.org/wiki/Microsoft_Plus!

C++, First appeared: 1985; 38 years ago

I'm sure there are even older examples :)

Edit: Canal+ - 1984

The ZX Spectrum+, followup to the 1982 ZX Spectrum, was released in 1984.

Got you beat by a decade!

I imagine the process goes something like "I need a new name but don't want to think of one. I know!"

We used to call things "Pro," but that got old, so we use "Plus" now.

Elite Gamer Edition

with Funky Kong Mode!

Google Plus aka Google+ is "ancient history" so we can pretend that never happened and start using "Plus" as a suffix to products again.

What about "go".

Amazon go. Facebook go. Android go, etc etc

because of letter grades: A vs A+

Orwell.