Truecaller is a mobile application, which is a worldwide number lookup service. Which means through this app you can find owner of any Mobile number without calling to that number.
Uploading photos (Images) and then tagging friends to it is common on Facebook. But there may be some pics you wants to untag yourself from. You may have any reason for that like, you don't like that pic, you are not in that pic, you are not looking good in that pic or you don't want your friends to see that pic or any other.
Do you any Image or PDF file you wants to convert into text ? Have you ever wonder to extract text from images? You can do this with online OCR tools. I listed some sites below and guess what these are all free (of course you can buy a premium tool too, but why to buy if you have a Free option)
According to One of the Top tech blog Digital Inspiration "You can pass more Google PageRank to your blog posts if you decrease the number of links on your blog’s homepage and archive pages."
Facebook Groups is one of the best way to stay connected and updated with people of your interests. We all are in some or other group (may because you created that group or you joined that or many be one of your friend added you to that group, doesn't matter) Some groups have thousands of member and hundreds of them posting something daily there. In all that mess finding posts by you in that group becomes very difficult.
Have you ever wonder how many friend you have removed from you Facebook account till now ? How to get a list of all the people you removed from your Facebook friend-list ? Facebook officially does not give any option for that, it but gives a option to download all your information on Facebook.Which also include a list of people that you were friend with in past.
Sending friend requests to unknown people is common on Facebook. If you send a friend request to a person and if he/she does not accept it than it becomes a pending friend request.
Facebook, we use it daily. We all love to make friends and so we send friend requests to each other. But it’s not always that all our friend requests are accepted, some people don’t accept friend requests from unknown people or they may have any other reason for that.