Poker Calculators and Do You Suffer From the Top Pair Syndrome? by Marty Smith
... your will with over-cards to a made hand is lunatic fringe. Finally, many internet players truly misjudge the strength of their hands, frequently overplaying such holdings as JQs, KQs, A10, AJ, and low pairs. Had they been using a poker calculator like Holder Pirate, it would recommend folding such hands to a raise, while some others with looser settings and value pots would maybe, say call. I have seen many players in the early rounds let their tournament ride with AQ, 66, and even 22!

Texas Holdem Tournament Strategy - Poker Tournament Betting Basics by Rick Braddy
... Unlike playing online, where the total size of the pot is easy to determine (the online Texas Holdem poker program typically displays the pot amount right there on the screen for you), when you play in traditional offline poker tournaments, you must keep track of the pot size and chip count yourself, so you can estimate the pot odds and your best betting options. Pot odds become especially interesting as the blinds and antes increase as the tournament progresses.