The process of reducing the number of bits required to present information from which the original form cannot be exactly reconstructed is known as compression.

ok i will be on the look out for blahblahthisisfakeah

no. when the asker posts the question they can make a question worth what ever they think is a fair price. although it must be within the limit of the points they currently own. 5 is the minimum number of points a question can be worth. if a question is complicated or has lots of parts to it, it is better to make it worth more because more people will be more willing to answer.

hope this !

go to edit profile and on the ; eft hand side it has a bunch of options and the very last on says profile picture, click the blue edit sign next to it