One way to find out if you have been blocked by someone on Facebook is by sending them a message through the website. If the message is returned to you with an error, it means you have been blocked, as Facebook prohibits... More »

If an email is being blocked, then it will often show up on a blacklist, so users who suspect that their email is being blocked will want to first look at those blacklists. Emails coming from mail servers that have been ... More »

Some of the signs of a blocked eye duct include inflammation, redness and tenderness in the inside corner of the eye, according to EyeSmart. The patient may also have recurrent eye infections, eye mucus discharge and cru... More »

www.reference.com Health Pain & Symptoms

A person can send a personal message to someone on Facebook by logging in to his Facebook account and clicking the "Messages" button from the menu on the left. Clicking the "New Message" button and filling out the form t... More »

Poking someone on Facebook is a way to get someone’s attention. It is also a quick way to interact with a friend on Facebook. Poking someone on Facebook is like saying hello. More »

www.reference.com Technology Social Media

There is no way for a Facebook member to view who has looked at their wall or photos unless a message has been left or a photo has been commented or or "liked" by the visitor. This is due to Facebook's privacy regulation... More »

There could be many reasons behind someone not being able to log in to Facebook, such as a faulty Internet connection, a problem with his or her account or an internal issue with the Facebook website's system. Facebook u... More »