Yo, the short form messaging app that glibly flaunted its ability to raise $1 million for a jokey premise, has found a use case to justify its existence. The Times of Israel reports that the smartphone app is helping alert Israeli citizens about incoming airstrikes during the recent wave of attacks from Hamas.

Israeli business paper Globes reports that Waze, the navigation app Google purchased for $1 billion last year, infringes upon an open source mapping project he was part of: