It will sync your contacts, calendars, bookmarks, photos, itunes, and iWork between all your devices.

The only form of support available for iCloud users is “Apple Care”, which has to be paid for.

When MobileMe ends June 30th 2012, web hosting, iDisk, and Gallery will be discontinued.

If you use MobileMe to collect mail from external POP accounts you have to cancel this before migrating mail to iCloud.

It is possible to migrate only your email to iCloud. To do this click on: https://www.me.com/move/

When asked if all your devices are compatible click “NO”.

On June 30th all MobileMe data will be deleted: so if you have not switched emails, iDisk file, Gallery photos will all be lost, and any web hosting ended.

If you migrate your entire MobileMe account to iCloud all your mail, contacts, calendar and bookmarks will go on the iCloud,

 

ADVANTAGES:

• All devices synced.
• Good for gaming, app purchases, itunes etc.
• iWork is available across your devices.

DISADVANTAGES:

• Apple stores all personal data on their servers.
• Expensive support.
• SMS and MMS messages stored.
• “Friends” can see where you are. i.e. Apple is storing your location.
• No iChat encryption available.
• Only available to Lion users.

 

NOTE on HACKING and ITUNES

It is recommended you have a different Apple ID for itunes than you use for your email, as itunes have seen a number of itunes accounts hacked.