Vimessa Deadpooled, Founders Launch User Retention Service, Userfox, With $700K From Y Combinator, 500 Startups & More

Y Combinator-backed <a target="_blank" href="">Vimessa</a> launched in late 2011 <a href="

Y Combinator-Backed Vimessa Launches To Bring Free Video Voicemail To Every Device

Back in August, <a href="">Y Combinator debuted its largest</a> (and I'd say most stellar) class of startups to date.