Did ya hear? Pokes are back. The Facebook poke is famously content-free; it’s left to the poker and pokee to assign it meaning. (Gentle hello? “I’m thinking of you”? Sexual harassment?) Even Facebook ...

Yo is pivoting from simply sending the word "yo" to contacts of your choice to doing something more worthwhile: alerting Israelis of terrorist attacks. The app won't replace air raid sirens and radio ...

Mobile World Congress is not the best place to launch a new messaging app: With thousands of tech-savvy visitors in Barcelona, many of them toting multiple connected devices, public wireless and Wi-Fi ...

Single-word messaging platform Yo! has teamed up with Israeli notification provider Red Alert to warn citizens of incoming missile strikes. Users who follow RedAlertIsrael on the app will receive a ...

A million dollar app called Yo is creating quite a buzz across the web for being a two digit communication tool that only sends ‘Yo’ messages. You can send “Yo!” to your friends. They can send a “Yo!” ...

We can get any Yo user’s phone number (I actually texted the founder, and he called me back). We can spoof Yo’s from any users, and we can spam any user with as many Yo. We could also send any Yo user ...

There's a new iPhone app called Yo. It allows you to chat with a friend, but the only word you can use is yo. That's literally all Yo does. Yo App Raises $1 Million LINDA WERTHEIMER, HOST: Good ...