Pair has raised a $4.3 million “party round” of investments from a very long list of A-list investors. Ready? Here they are: A-Grade Ventures (Ashton Kutcher’s fund), Dave Morin, Paul Buchheit, Founder Collective, SV Angel, Lerer Ventures, Michael Birch, Sam Altman, CrunchFund, Tencent, Yuri Milner and Betaworks. That’s not all! Also: Alexis Ohanian, Garry Tan, Harjeet Taggar, Gary Vaynerchuk, Brandee Barker, Brian Pokorny, Elad Gil, and Susan Wu. The Y-Combinator company has been around one month and has had 220,000 downloads in that time. [Source: Pair]