Somehow I seem to be having an application on Facebook posting to my news stream information about me without ever remembering that I signed up for it. Disconcerting, to say the least! How do I check what apps I have authorized and delete ones I don't want from the Facebook universe?...

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I'm wondering what's the easiest way to connect to someone I've met at a conference when I get back to my office and want to use LinkedIn? Some folk seem to use Facebook, but I'm a recruiter and LinkedIn is my favorite. Tips? Suggestions?...

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I took some photos with my digital camera and I want to e-mail them to friends or upload them to my Facebook, but the files are enormous, and uploading them takes forever! Can I make them smaller while still having the photos look the same?...

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How does Facebook make money, Dave? I mean, seems like every time I log in there are new applications from third parties and more friends to connect with, but I never pay a nickel. In fact, the only place I've ever bumped into a request for payment is when I want to send someone a "gift", but that's all based on "facebook credits"? What's the scoop?...

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I read your note yesterday about how to update my Facebook account password (see: How to change your Facebook password) and want to change my Gmail password, but I can't figure it out: there's no way to do so within Gmail, as far as I can tell?...

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It's not that I'm paranoid, but I am worried that my roommate might have figured out my Facebook password and I want to change it ASAP. How do I change my Facebook password?...

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I've been reading all of your earlier articles about how to work with Apple's iPhoto (see iPhoto help) but what I haven't seen is a piece about how to publish photos from iPhoto directly onto Facebook with vast amounts of hassles. Is that doable? If so, how? Thanks, Dave!...

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I heard on the news today that my favorite social network, Twitter, is being plagued by what they called a "denial of service attack". What on Earth is that? They're forced to not actually get service and it's an attack? I mean, I've been to restaurants where I experience a denial of service, but how can something like that affect Twitter or Facebook or whatever?...

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I got a really weird email from a friend on Facebook: it was just a Web site URL and when I went to it, I got a warning message that it was an "unsafe" and that it'd been blocked. What the heck? What's going on?...

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I have been honing my computer skills to try and make some money and start a business. The only problem is i seem to be having troubles finding jobs. Pretty much I'm doing free computer diagnostic. I pick up the computer, diagnose every aspect of how its working all for free. After that I contact the customer and discuss the problem(s) they may be having and discuss were to go with it. This is a...

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You're heading to college - or your child is - and you want to figure out how to set up their shiny new Apple MacBook or iMac so that they'll be maximally efficient and have fun too?  Well, you could go and ask the people at the Apple Store what they recommend, but instead, we went straight to the source, asking undergrad Mac fan Zack Shapiro of the University of Colorado, Boulder for his recommendations.Be...

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I've been experimenting with a variety of different Twitter clients on my Mac, and while I'd been stuck for a while on Twhirl I've recently switched to the beta of Seesmic Desktop a few weeks ago. Until a few days ago when a few friends encouraged me to try Nambu. Worked pretty well, but the Seesmic team mailed me a notice about an update to its Seesmic Desktop client that includes Facebook integration. Nice. I...

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In previous blog entries (see How do I sponsor searches on Google? and Advertising cannot be your only online marketing channel), I've talked about how to use paid services to promote your business online, focusing specifically on Google Adwords and how it lets your company appear as "sponsored" results on a search page. Then we talked last week about the distressingly ephemeral nature of paid advertising and explored examples of how mindshare rapidly declines once...

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In an earlier blog entry (see How to sponsor a search result), I talked about how to use Google AdWords to promote your business and how to get "sponsored" results in search engines like Google and Yahoo. I continue the conversation by talking about low cost grassroots ways that you can promote your business online through having a great content-based Web site, social networking and other avenues. But first, I want to talk about why...

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Now that I have a fair number of friends on Facebook, I'm wondering what I need to do so that I don't see the status updates in my newsfeed from the more, uhm, lame of my friends. I don't want to unfriend them, I just don't want their marketing drivel or personal junk in my news feed. Is there a way to do that in the new Facebook UI?...

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Is is possible to promote someone to creator of the group? I own a school group and I no longer attend that school so I would like to give all rights/privileges of the group to someone who still attends the school....

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I got the strangest email, unlike anything I've seen from Facebook, telling me that I have a message to pick up on the site, but not giving me any of the message. Then it included a weird URL at which I was supposed to log in (even though I am already logged in to Facebook) so I could pick up the message. I stopped and decided I'd check with Guru Dave. So, is it legit?...

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On my Facebook home page, usually on the top-right corner, there is a bubble that says ___ requests, and ____ notifications, with the little sign-post logo next to it. The notifications alert on the home page is gone, and I don't know why!! Can you help me get it back onto my homepage?...

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I have been inspired by some of the evening meetings I've attended, both those that are 'meetups' and those that are more informal. I want to host one of my own but don't know how to start. Can you give me some tips to get started, Dave?...

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I've been getting the hang of LinkedIn as a more professional alternative to Facebook and am a bit baffled: is there some sort of best practice to quickly evaluate a potential link when I don't recognize their name?...

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