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Week in Apple: iPad styli, iPhone security, UDIDs, and more

In the last week, Ars Technica's Infinite Loop took a look at the state of …

As everyone continues to recover from new iPad overdoses, our top Apple coverage from the week was mostly populated by non-iPad news. We did take a look at the state of styli on the iPad, but we also examined how iPhones leak the IDs of wireless routers they've connected to, whether Ars readers still use Siri, the likelihood of new MacBooks in the near future, and more. Read on for the roundup!

The current state of styli and the iPad: does the stylus still blow it?: While Apple has all but ignored stylus input, the new iPad may be the best device yet short of a legal pad for taking notes by hand.

Anatomy of a leak: how iPhones spill the ID of networks they access: Yes, iPhones and other Apple devices routinely do expose the unique identifiers of wireless routers they've connected to in the past. The behavior, which isn't found in devices running Windows and Android OSes, is found in ARP packets that are easily monitored by anyone within radio range.

"Siri, does anyone still use you?" Yes, says survey: According to a newly published survey, iPhone 4S users are still using Siri at least once per month. That doesn't mean everything's perfect, though, and users are wary of Siri coming to the TV. Are you still using Siri?

After warning from Apple, apps using UDIDs now being rejected: Apple warned developers last year that accessing the unique device identifier, or UDID, was deprecated as of iOS 5.0. Now, the company has begun outright rejecting apps that make use of it.

Leaks imply first Ivy Bridge-based Macs could launch in late April: Though Intel claimed Ivy Bridge would be delayed until June, some newly leaked release dates show several quad-core parts will be available in late April. Apple may wait until June, however, for a huge product revision blitz.

Op-ed: the Mac App Store needs paid upgrades: The Mac App Store can be a convenient avenue for users to buy new software, but there's still room for improvement when it comes to the upgrading experience. In this op-ed, Delicious Monster's Wil Shipley argues why the store needs paid upgrades.

Apple promises royalty-free license for proposed "nano-SIM" standard: If Apple's proposed standard for a yet-smaller SIM card is approved, the company will commit to licensing any of its related patents for free.

Address spoofing vulnerability discovered in Mobile Safari on iOS 5.1: Malicious hackers can potentially trick iOS users into thinking they are on one website when they are actually on another thanks to a vulnerability found in Mobile Safari.

Australian regulators taking Apple to task over LTE compatibilty: The Australian Competition & Consumer Commission claims that Apple is misleading Australian consumers into believing the iPad WiFi + 4G is compatible with LTE networks in Australia.

Sweden may also investigate Apple over iPad 4G/LTE marketing: The Swedish Consumer Agency says it has received complaints from buyers who feel they've been misled over the iPad's 4G capabilities.

Have a great weekend, everyone!

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