VF.com has previously detailed the difficulties in articulating the function and purpose of Snapchat, a photo-sharing app in which images are sent to a specified person or group and disappear after a few seconds. Back in January, VF.com’s Sarah Ball, a 27-year-old, wondered: “So say I text you a picture of the toast I just had, like, ‘LOL carbz.’ Why would that need to disappear, is what I’m saying?”

Your blogger, at the time 24, thought this was adorable in a not-wholly-unpatronizing way. “Penises; breasts; mostly penises; naked penises; a few uncovered breasts; penises at play; penises in the wild; penises grazing upon the plains in herds, stopping to lap up water in a burbling brook,” we told her, more or less, referencing the app’s popularity with teenagers as evidence.

“I was just told that, though it’s every helicopter parent’s worst fear that it’s only used for naked pictures—and it is used for that—it’s also just a thing in its own right. Like, it can be used for this or that. And my question is, what is the point of using it ever for normal things? Even if only 10 percent or 5 percent of the time?” Ball replied quite presciently.

Verily, your blogger did not know! But Jim Cramer, shouty CNBC gentleman, has produced an answer. At CNBC and Institutional Investor Magazine’s third annual Delivering Alpha conference yesterday, Cramer told U.S. attorney Preet Bharara that he believes bankers are using Snapchat to sending untraceable insider-trading tips. Per Betabeat:

“My daughter and I Snapchat. OK, it disappears in three seconds,” Cramer said. “Can the bad guys Snapchat, ‘Go buy Leap Wireless’ at 3:45 on Friday and get away with it, because you don’t have the technology to stop it?”

Bharara: “I don’t even know what you’re talking about. Have your daughter call me.”

What is . . . “call”? Like, a stock thing? “Margin call”? What app do you use to do “calls”? The 44-year-old Bharara should explain.