ReadWriteWeb: Xobni: Social Network in Your Inbox:
"Xobni's brilliance is in providing you with a true social network filled with information that can help you stay productive and get things done. [...] This makes Xobni not just useful, but one of those, "how did I ever live without it" kind of things."
TechCrunch: Xobni: The Super Plugin for Outlook
"Being the only guy with Outlook in the office, it’s been a personal favorite of mine. Xobni’s sidebar has improved Outlook for me by offering faster search, and automatic organization of my email and contacts. Their search function alone has saved me time by just being faster and more comprehensive than Outlook’s native search."
Lifehacker: Supercharge Outlook with Xobni
"Freeware Microsoft Outlook plug-in Xobni (that's inbox backwards) adds a handful of killer features to its new Outlook sidebar. [...] Seeing as Xobni has successfully made Outlook appear exciting (which is no easy feat), this freeware, Windows-only plug-in looks like a winner."
"[...] after a few minutes of toying with it, I have the feeling I won’t be able to work without it!"
Daily Cup of Geek: Inbox Spelled Backwards and How It Is Taking Email Forward
"Xobni is that 'something better' I’ve been dying for when it comes to email."