I like to recommend this great app, I have it running on my WP7, it a very nice app to keep you updated on Lync blogs

more information here: http://flinchbot.wordpress.com/2011/12/28/lync-news-1-7-available/

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WP7: https://www.windowsphone.com/en-US/apps/949e2d56-5a4a-4f66-b836-67c2428dc5ad/ValidatePurchase/4b3eb21c-859c-4845-b993-b21c381c915c?appType=Regular&purchaseFlowStart=App
Android: https://market.android.com/details?id=com.appmakr.app297841&hl=en