Sabeer Bhatia is a pioneer in the field of web-based email, having co-founded Hotmail Corp. — which today boasts more than 220 million registered users — in 1996. Aftеr Microsoft bουɡht the company in 1998, Bhatia wеnt on to new projects, including Arzoo.com, an online journey services company for Indian consumers, InstaColl, which offers web-based office tools, and SabseBolo, an audio-conferencing platform for developing markets. Along the way, Bhatia has learned some critical lessons about starting businesses and keeping them going, even during hard economic times. At the 2009 Wharton India Economic Forum, Achal Mehra, editor of Small India, interviewed Bhatia for India Knowledge@Wharton.