If you're a grandpa who's mostly encountered "AI" through news segments that make it sound either miraculous or terrifying, let me bring it back down to earth: it's a text box, you type a real question, you get a real answer. It doesn't get more complicated than that.
A grandpa-tested way in: think of something you've been meaning to figure out anyway. A project around the house you want a second opinion on. A letter from the county or the bank that's using more words than it needs to. A message to a grandkid that you want to sound like you and not like a form letter.
Type it in plainly. "I'm trying to fix a leak under my kitchen sink, here's what's going on, what should I check first?" Or, "Can you help me write a text to my grandson congratulating him on his new job, keep it short and proud, not corny." You'll get something usable back almost immediately, and you can push back on it — too long, too stiff, missing something — the same way you'd correct a story a buddy got slightly wrong.
There's no test at the end. There's no way to fail a conversation.
On Ramp AI is built around exactly this kind of real, plain use — no tech background assumed, no lecture required. Take a look when you're ready.