Image having a Google Calendar at your hand and disposal in a matter of only one click. Pretty nice I would say, let me introduce you to this mighty useful Google Chrome extension.
If there is a vast number of unimportant unread emails accumulating your Gmail inbox and it's starting to bother you, but you don't have time or nerves to mark them as read page by page, this is what you can do.
Great website where you enter your iPhone or Android phone's IMEI and find out when your repair and service warranty is due and whether your device is locked on unlocked by the carrier.
A really great Gmail functionallity that enables you to send emails from your other email addresses using your main Gmail account. Let's find out how to add other addresses to your account.
You made an Facebook app for a Facebook page, but it doesn't seem to appear among the apps on that page. No biggie, let me show you how to connect a Facebook app with a Facebook fan page.
You may have noticed that Facebook ads a the location revealing your wheresbouts at the times you publish post. If you don't want other to know that, this is what you need to do.
If you are a "private" person and don't want your profile picture or name to appear on your friend's feed next to ads you liked, then follow this steps.
If you don't have installed program for editing PDF documents on your computer, then you can use web application PDFescape which allows you to edit your documents in your browser.