Complete challenges and level up.
Your face thats the answer
You gain titles and emblems by completing certain challenges on multiplayer, check your barracks for the challanges. Here is a list of all the titles and emblems for call of duty modern warfare 2 on the Mordern warfare wiki: http://callofduty.wikia.com/wiki/Callsigns
All titles and emblems you have unlocked and anything you have unlocked with prestige tokens.
All titles and emblems you have unlocked and anything you have unlocked with prestige tokens.
It only resets your guns, challenges, gun unlocks too and puts you back to level 1. You keep all of your titles and emblems
you unlock it by doing multiplayer it just matters how much kills, or falling, and random things you do
if ur talking bout online u have to level up. to get the emblems and titles who ever wrote this above is ignorant here is a link to get to where u want to go. http://callofduty.wikia.com/wiki/Titles#Titles the first guy is partially correct, but most titles and emblems are acheived by completing challenges. there are also titles for hidden challenges like std
There is a call of duty wikia page, google for: Modern Warfare 2 Callsign WikiaAnd it should be the first result.It has a list of all the titles and emblems, and how to get them.here i got you a link of the full list of titles and how to get themincluding what the titles mean for example FNG title means fuc*ing new guyhttp://callofduty.wikia.com/wiki/Callsigns/Titles = titlesand if you need it here's the emblemshttp://callofduty.wikia.com/wiki/Callsigns/Emblems
You can obtain new titles and emblems but that is all, everything else such as weapons and challenges are reset.
No, all your guns are reset to the same as you were when you were level 1. The only thing you unlock when prestiging is emblems and titles.
Don't waste your money on a strategy guide. There are many YouTube videos with great strategies and hundreds of online guides. All of the callsigns are here http://callofduty.wikia.com/wiki/Callsigns
to get all emblems you need to complete a certain of challenges for each weapons, which is really hard...