https://www.reuters.com/article/us-alphabet-google-waze/wazes-ex-ceo-says-app-could-have-grown-faster-without-google-idUSKBN2AJ02O >Waze has struggled to grow within Alphabet Inc's Google, the navigation app's former top executive said, renewing concerns over whether it was stifled by the search giant's $1 billion acquisition in 2013.