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When you issue an invitation asking for Remote Assistance in Windows 8, it stays valid for a long time (six hours). Is there a way to make the invitation valid for a shorter period of time? Thanks.

I would also suggest you give Akismet a try.

There are a few different apps available: Qustodio, Funamo, Kytephone, Parental Control Board (the one that I like, but only because it's initials sound all hard core in a made-for-TV movie sort of way).

My personal laptop, a 2-year old Compaq, has a battery that has "gone bad." It won't hold a charge for more than 3-4 minutes, which pretty much makes my laptop a marginal desktop with a crummy keyboard at this point. I was looking at replacement batteries, and I can get some replacements for 50% of what an OEM replacement will cost.

I honestly thought I was reading an April fool's joke when I first saw an article the Google had "create[d] controversy with Cesar Chavez doodle." Of course, since that was on Fox News, I would have treated that as a joke any day of the year.

Well, Android 5.0 Key Lime Pie (5.0 = Key Lime Pie if you are new to Android nomenclature) should be released shortly, although as far as I know there has not been an official confirmation of the release date. It will probably be announced in May at Google I/O. At this point, pretty much everything about KLP is speculation.

Hashing is using an cryptographic algorithm to convert data like a password into a fixed length sting of characters called a fingerprint.  Salting is a way to randomize hashes by adding a random string (which is called a salt) before a password is hashed, which makes it much more difficult to crack the password hash. 

Dust off your essay writing skills. Google will let you apply to be an early adopter, er "Explorer." Basically you need to convince Google that you are super cool.  You have to do it pretty soon though, the deadline is February 27, 2013.  http://www.google.com/glass/start/how-to-get-one/

There was a thread that addressed this issue over on the iMore forums. It should point you down the right road, although this thread was for an iPhone 4.    One of the posts laid out a process that should be helpful:    1. exit Redsn0w, and unplug device

I go through earbuds like they are free. I'm in the field quite often, and I also use them (1) at home, (2) in the office, (3) while traveling, (4) at satellite offices, and (5) everyday, everywhere. Unfortunately, I tend to lose them.

It's a way of automating processes between applications, departments or data silos. It's the same thing as Run Book Automation (RBA). Opalis IT Process Automation from Microsoft is one way to integrate System Center with other systems.