Being a better feature has nothing to do with being a lucrative acquisition. If Xobni can show a clear benefit in $$'s to M$'s bottom line, then the corpdev gu

Being a better feature has nothing to do with being a lucrative acquisition. If Xobni can show a clear benefit in $$'s to M$'s bottom line, then the corpdev guys might get excited. Right now there's no serious competitive threat to Outlook as installed software, so buying Xobni (or anyone else) just for additional features isn't interesting. Without a competitive threat MS could take 2 years to copy most of Xobni and roll it out in a future version.