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Q. My email account was hacked. What can I do to get it back?

A. Your first step is to change your password. Make sure you change the backup email as well! (The hacker may have changed that, too.) You might need help from your email provider to take the account back. Next, you need to figure out how the hacker got in and close the hole. Change the account's security question. Then, run a virus scan to make sure that's not how they're getting in. Final step: Any other account you have that used the same password needs to first aid as well — fast.

SAVE THE MOST ON AIRLINE TICKETS

Q. I'm looking for flights for my next vacation but everything I'm finding is just too expensive. Do you have any tips or tricks that can help me save on airfare?

A. You've probably heard a rumor that Tuesdays around 3 p.m. is the best to save on airfare. This is mostly true, but it's not the only time you can grab a good deal. New studies are showing that buying on Wednesday mornings (1 a.m.), Saturdays and Sundays can be just as rewarding. Wednesdays because those are the leftover tickets that weren't snatched up on Tuesday, and Saturdays and Sundays because airlines are more likely to lower their fares on to attract leisure travelers. Click here to learn more about how to get the cheapest airfare.

KEEP IN TOUCH WITH A SON IN CHINA

Q. My son will be traveling to China to teach English to high school students. I want to talk to him despite the 12-hour time difference, but with all the chatting apps I get confused. We both have PCs and I was wondering which service would you use to chat with your son overseas?

A. The best free option would be Google Hangouts. Using Google Hangouts you can talk to him from your PC or even mobile gadget. You will need a Google+ account, but those are fairly easy to set up if you don't have one already. Plus, with Google Hangouts, you can include up to 10 other people, so that would be good for a special occasion like a birthday or a party.

SMARTPHONES LEAD TO IDENTITY FRAUD

Q. I feel fairly confident I can protect my identity on my computer, but not my smartphone. Any suggestions?

Where a smartphone is concerned, there are a few rules. You'll want to lock your phone with a password or pattern. Check your manual for directions. Make sure you don't use an obvious PIN like 0000 or 1234. You'll also want a remote tracking wiper app installed in case your phone is stolen. Find My iPhone, Android Device Manager and Lookout Mobile Security are good options.

BEST WI-FI OPTIONS FOR A CROSS COUNTRY TRIP

Q. I'm moving from a large house to a mobile home and my main concern is staying connected. Which Wi-Fi services are the most dependable across the country?

A. Before you drop big bucks on a separate and dedicated satellite dish, check out your free options. Most RV parks and a surprising number of retail stores will have free Wi-Fi. If you have trouble finding one, use an app like JiWire to find a hot spot. You can also turn your smartphone into a mobile hotspot for around $20 a month.

On the Kim Komando Show, the nation's largest weekend radio talk show, Kim takes calls and dispenses advice on today's digital lifestyle, from smartphones and tablets to online privacy and data hacks. For her daily tips, newsletters and more, visitwww.komando.com. E-mail her at techcomments@usatoday.com.

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