Travel and expense management company Concur <a href="http://www.concur.com/en-us/media-resources/press-releases/02-01-12">revealed</a> in its earnings today that it made an undisclosed investment in
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<img src="http://tctechcrunch.files.wordpress.com/2011/02/room-77.jpg" class="shot2">When researching hotels for a vacation or business trip, a visit to TripAdvisor to check out reviews of a resort ar