Real Ventures, a Canadian early-stage venture capital firm based in Montréal, announced its portfolio company Localmind Corp. has been sold to San Franciso's Airbnb Inc., an online service that matches people seeking vacation rentals and other short-term accommodations with hosts. The financial terms of the deal were not disclosed. Localmind, a real-time, location-based Q&A platform, was founded in 2011 with the backing of Real Ventures, iNovia Capital and other investors.  Â