IAC's Ask.com acquires Ask.fm, terms not disclosed Ask.com announced it acquired Ask.fm, the world's largest Q&A social network, which facilitates question and answer exchange across its global user base of 180 million monthly unique users. Terms of the deal were not disclosed. Ask.fm was not previously affiliated in any way with Ask.com or its parent company IAC. In connection with the transaction, existing outside Ask.fm investor Rubylight will retain a minority interest in the business. Ask.fm's founders will no longer be involved in its operations or retain any equity.