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—the app capable of sending just one word to the recipients of your choosing—has waged a war against the apps that attempted to duplicate its undeniably thin gimmick. If the company plans to ...

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 ...

Yo is an app that does nothing but let you send a voice message to your contacts saying "Yo." Is it worth the $1 million investors seem to think... Yo. The greeting you use when "hello" is too ...

Have your heart set on working for a particular tech company? Try hacking the company’s website or app. That might just get you the job. The viral messaging app “Yo” was hacked last week and now the ...

The Yo app's only function is to send people the words "yo" as a text message. But developers in Israel have used the code to let people around the world know when rockets are heading into the country ...

This week the internet world became acquainted with Yo, an improbably hot new smartphone app that lets uses send each other only that single two-letter message — or, as Stephen Colbert described it on ...

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 ...

Useless messaging apps are certainly having a moment, but now, we are seeing a whole new level of unnecessary. First, we had Yo, which only allows you to send one word. Then Yo got hacked and died (or ...

It feels like a satire of Silicon Valley. An engineer builds an app that does nothing but say “Yo.” The app brings in more than $1 million in angel funding. And then the app is hacked. If a comedian ...

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 ...