This is a very silly alternate timeline I wrote down at one point. I was trying to think of a (semi-)plausible route to the survival of both Itanium and the Nokia/Intel MeeGo OS.
Tukwila launches at 1.86GHz base / 2.00GHz boost
SGI introduces Altix UVI - an Itanium UV variant supporting 512 Tukwila sockets
Mary McDowell replaces Olli-Pekka Kallasvuo as CEO of Nokia
RHEL 6 is released for x86, PPC, z, and IPF
New Nokia strategy announced: fully common touch APIs and UI between Symbian and Meego, transition to Meego by end of 2013, eventual upgrade to Meego for all Symbian smartphones launched after 1 Jan 2011
Microsoft announces "pivot to business users" for Windows Phone after sluggish early sales
Samsung announces Bada development will be terminated and enters strategic commitment to Meego alliance
First Windows 8 UI preview
Xeon/Itanium socket compatibility formally announced, starting in Kittson. New roadmap includes new Keenesburg Itanium processor succeeding Kittson.
Huawei announces FusionFrame SU32 and SU8, scale-up Itanium servers running HP-UX. Inspur concurrently announces TianSuo Itanium servers running K-UX (Linux)
After lackluster SPARC T3 sales, Oracle enters strategic alliance with HP against IBM. SPARC M5 and M6 scale-up programs are cancelled.
Windows Dev Day at Microsoft; Universal Binaries for x86, ARM32, ARM64, and Itanium announced, alongside new Win8 APIs
Nokia N9, E9, and N950 launch running Harmattan. Harmattan APIs are transferred to the aegis of the Meego foundation.
First Windows Server 2012 preview released for x86 and Itanium
Knights Corner accelerator cards publicly demonstrated with both Xeon and Itanium (Poulson engineering sample) compute nodes at HPC event featuring SGI, HP, and Cray
Poulson released at 2.93GHz base, 3.2GHz boost; systems launched by HP, SGI, Inspur, Huawei, Supermicro, and Bull
Windows Phone 8 launches with OEM support from HTC and Samsung
Microsoft enters a definitive agreement to buy HTC for US$3.1bn
Nokia launches first upstream Meego (non-Harmattan) phone, the N10
Windows 8 released for x86 and 32-bit ARM; both versions are effectively identical. Windows Server 2012 launches for x86 and Itanium on the same day, and scalability to 2048 threads is demonstrated on an Altix UVI.
Nokia's last Symbian phone, the Pureview 1020, launches
Microsoft completes acquisition of HTC
Samsung announces a withdrawal from the Windows Phone market, citing "shifts in the competitiveness of Windows Phone for third-party manufacturers"
Samsung Orion, the first Samsung Meego smartphone, launches
Office Universal announced, including Itanium binaries
Intel Datacenter Day. Knights Corner officially available. Kittson-22 demonstrated in an identical server to Ivy Bridge EX. Dell and Fujitsu announce commitment to offer Kittson servers.
Itanium returns to the Top500; Omen, a JPL UVI system with 10 256-socket Poulson nodes equipped with Knights Corner accelerators, enters the list at #119.
Meego passes 5% volume share of smartphone sales
Kittson launches on new Brickland platform, with Ivy-EX announced to share the same platform and launch in the first quarter. Kittson's top SKU, the 9790, has 16 cores @ 2.93GHz, and 72MB LLC. PSX, the Parallel SIMD Extensions, are introduced. PowerEdge R970 is Dell's first inhouse-developed Itanium product. HP announces licensing of HP-UX to other IPF vendors; Dell offers it, Fujitsu does not.