U.S. Sen. Al Franken (D-Minn.) is pushing a bill to block smartphone apps he says are used by stalkers to track the movements and phone calls of thousands of women.

In testimony before the Senate Judiciary Committee, Franken read an ad from a company promoting its product to those who suspect a spouse might be cheating. “Track every text, every call and every move they make using our easy cell phone spy software…”, he read.

Here's how the folks at Easy SPY promote their app on their site.

It was more than a year ago that Franken and Republican Charles Grassley of Iowa called for an investigation of such apps, in a letter signed by colleagues including Sen. Amy Klobuchar.

An example of some of the TV news coverage such apps have received: