For today's Tech Check, we're talking to one of the biggest earnings movers of the day.

Take a look at Duolingo, reporting a beat across the board raising guidance for the fiscal year,

clearly speaking the streets language.

Sending shares surging today

joining us this morning in a c. ABC exclusive dual lingo CEO Luis Van Onle.

Luis great to have you talk to me about what do you think is driving the price action

today? Well thank you for having me.

I mean, in general, just our performance keeps being very strong.

Our users have grown very strongly over the last several years and it's because we keep on

making the product significantly better. We're a product driven company and

just over time our app keeps getting more fun and more effective at

teaching languages and so since people love it they also subscribe and then we make a lot

of revenue from that and so that that's helped us out quite a bit.

Can you can you help viewers understand where we are right now in sort of the

the learning language model trajectory are are we are are things being learned and

absorbed in in the model at a fact even faster rate than in the past?

Yeah I mean we're teaching better and better.

Every, literally every week Duolingo gets a little better at teaching.

And it's because we have a lot of users.

I mean we have millions and millions of users who use the app every day and we use

their data to teach better. We're in dual language not quite as good as a one-on-one

human tutor just yet but it is as good as a classroom. And so, you know, people are very

...