Everyone likes to be acknowledged for the things they have done (as long as that "thing" was something positive) and they say it is better to give than to receive so giving acknowledgement to another should be quite rewarding. Depending on the situation your wording will be quite different. For instance, a Guiness Book inductee will have a very different speech than a Grammy Award Winner's. An
. example of an acknowledgement would be: I would like to thank all of the web searchers, because without them, this task would not have been possible. Check out this website for more samples: wiki.answers.com/Q/Sample_of_an_acknowledgement.