Vipul Ved Prakash is a software engineer and Internet entrepreneur. He is the co-founder of anti-spam company Cloudmark, social-media search company Topsy, and open-source AI company TogetherAI.[1][2]
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In 2013, Topsy was acquired by Apple Inc. The acquisition was reported to be valued over $200M.[3][4]
In early 2000s, Prakash became widely known for creating Vipul's Razor, a popular open-source anti-spam system. He was named to the list of 2003's Top 100 young innovators in the world by MIT Technology Review for this work on anti-spam, at the age of 25.[5]
In the late 1990s, Prakash co-founded, with Ashish Gulhati, an Internet privacy company (Sense/Net) for early Internet users in India, and wrote for computer magazines and industry journals, including a regular column, "Net Zeppelin", on networking protocols for the Indian edition of PC World Magazine.[7][8]
Prakash has authored several extensions to the Perl programming language that are published under open source licenses and distributed via CPAN.[9]
In May, 2000, Prakash and Rishab A. Ghosh published the Orbiten Free Software Survey, which is considered to be one of the first successful attempts at building an empirical model of contribution to open source projects.[10]
Prakash worked at Napster as an engineer. He co-founded Cloudmark along with Napster’s co-founder Jordan Ritter, to provide a commercial alternative to his open-source filter, Vipul's Razor[3][11]
Prakash considers himself a cypherpunk. He created a dolphin-shaped implementation of RSA algorithm in Perl that was printed on a T-shirt and sold by ThinkGeek as a protest against restrictive exports laws.[citation needed]
Since Topsy's acquisition by Apple, Prakash has served as a Director of Engineering at Apple, Inc and is rumored to be leading a growing search program inside the company.[12] He appeared on the WWDC 2015 stage to introduce iOS Search APIs.[13]