You are on a vendor call. The deck has a number on it. A percentage, a "5x return," a "works with everything." You write it in your notes and move on, because the alternative is what, exactly. Hiring someone to audit a sales deck? Nobody does that. So the number goes in the notes, and eventually into a budget justification, and it hardens into a fact for no reason other than that it appeared on a slide with a logo next to it.
The thing that changed recently is not that vendors got more honest. It is that the cost of checking them fell to almost nothing.
The work used to be expensive, so it did not happen
Verifying a claim, mapping what a competitor actually runs, tracing a statistic back to where it came from. That was analyst work. A retainer, or a week of an expensive person's time, or a line item on an agency invoice. For a mid-market marketer with a full week already, it effectively did not exist. You took the number on faith, because faith was cheaper than proof and proof was somebody else's job.
That equation flipped. The legwork, the tedious pulling and comparing and cross-checking, is now something you can direct in an afternoon from your own desk. Not the judgment. The legwork.
Three things you can check yourself this week
A vendor's claim against the vendor's own words. The number on the sales slide and the language in the same company's help center or terms of service often do not agree. The slide rounds up and drops the qualifiers. The docs, which their lawyers wrote and their marketers did not, put the qualifiers back. Pull both. Put the pitch claim next to the fine print and read them together. The gap between what a company says when it is selling and what it says when it is protecting itself is the most honest thing about it, and all of it is public.
What a competitor actually runs. A company's website tells you what technology it uses, whether it means to or not. The tags it loads, the services it calls, the vendors sitting behind the branded names. "We built our own" and "we license someone else's and put our logo on it" look very different once you look at what the page actually loads when it opens. You do not need to be technical to have that pulled apart and explained to you. You need to know it is knowable, and most people never find out that it is.
A statistic against its primary source. Marketing statistics are mostly a hall of mirrors. One blog cites another blog citing a third, and the original document either carries heavy qualifiers everyone dropped along the way or does not exist at all. Trace a number back to the thing it supposedly came from. A striking share of the stats that get repeated with total confidence do not survive the trip, and finding out takes minutes now instead of a morning.
The part the tools do not do
Here is the honest caveat, because these tools oversell themselves the same way the vendors on the call do. Research assistants make things up. They will invent a citation as readily as find a real one. Pointed at a question that has no primary source to anchor on, they will hand you something fluent and wrong with exactly the same confidence they hand you something true.
So the skill did not disappear. It moved. The valuable part is no longer doing the legwork, it is knowing what to check and refusing to believe the answer until it is tied to something you can see for yourself. Ask for the source, then go read the source. The tool gets you to the document faster than you could have gotten there alone. It does not get to decide the document says what it claims it says.
Used that way it is a research assistant. Used the other way, taking the fluent summary as the answer and skipping the source, it is just a faster way to be confidently wrong, and the world was not short on that.
Where we land on this
The reason this matters past saving a few afternoons is that it changes who holds the information in a sales conversation. For a long time the vendor was the only party who could afford to know whether the vendor was right. That asymmetry is where a lot of bad software got bought, and a lot of good budget got spent on numbers nobody was in a position to question.
It cuts toward us too, and this is the part we make ourselves sit with. If the person being pitched can now check the pitch, then any claim we make about what our own product does had better be one we would be comfortable having checked, because it will be. We would rather you verify a number we give you than take it on faith. The numbers that do not survive verification were never worth putting in front of you in the first place.
The tools to check us, and everyone else selling to you, are on your side of the table now. The next time a number lands in your notes, spend the afternoon. Use them before you sign anything, this included.