From a UX perspective I think you're at an innovation disadvantage if you launch today without a touch-focused UI. Its a somewhat trivial leap to go from mobile UX to desktop, but much harder the other way around.
Desktop focused products have been making slow and really clumsy forays into mobile but I've yet to see a mobile product translate poorly onto desktop...
Desktop focused products have been making slow and really clumsy forays into mobile but I've yet to see a mobile product translate poorly onto desktop...