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The two main things are to only install mature applications that have a track record of significant installs  and lots of reviews, and check out the developer to see what else they have done and whether there are complaints about their other apps. This is far from perfect, but it can help avoid a lot of problems.

Try a restart and if that doesn't work, try a reset (home + on/off and hold both for about 10 seconds until the Apple logo shows up). Most of the time that will take care of it. If it doesn't, you might want to try to use iCloud back up to restore the data.  http://support.apple.com/kb/ht4859

I accidentally deleted a table when I meant to delete a column. It was just a moment when I was thinking about other things and entered in DROP TABLE XXXX. when I meant to enter ALTER TABLE XXXX. Is there any way to recover the table?

Most, perhaps all, modern CPUs have a thermistor, and if you go into your BIOS you can configure shutdowns based on temperature. You probably just crossed the factory set threshold and triggered the shutdown that is in place to protect your hardware.

I've seen numbers all over the board. Some show significant costs associated with BYOD, some actually show savings. Intel's CIO reported that they saw a $3 gain in employee productivity for every $1 they spent on BYOD.

Hopefully this stupid law will go away soon. It seems that nobody likes it. Well, maybe carriers and OEM manufacturers do, since it basically provides a way to force you to spend more money if they are so inclined. That said, it doesn't make it totally illegal to unlock your phone, you just have to get your carrier to agree.

Factory reset (in your setting menu, probably under Privacy, but may be somewhere else depending on OS version). Take out your SIM card, if it has one. Remove your SD card. That should do it. Double check by looking in gallery to make sure it is clean and try gmail to make sure it requests your account data instead of logging you on. 

Any idea when the next version of Android will come out? I'm at the end of my 2 year sentence, er contract, and I'm trying to decide whether to go ahead and upgrade to a new device or wait a little longer for the next Android release.

Has there been any research that indicates the effectiveness of using different social media networks? I know Facebook is largest, for example, but is it more effective at reaching people than Twitter (for example)? Also, how do you measure the impact of social media on a business?

It doesn't take all that much bandwidth for VoIP calls, and more often than not, I have found the problem lies elsewhere when there are call quality issues. Basically, once you have allocated sufficient bandwidth for each call, you should look at jitter, latency and packet loss.

My current Android smartphone, an LG Revolution, is almost 2 years old, so since it is due for a replacement anyway, I was thinking about trying to learn how to root it and see if I could get a few more months out of it. I know what rooting is, but that is about it. What is the best way to learn how to do it?

Welcome!