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Understanding is a most appropriate keyword for this gentle, affectionate sign.Gentle Pisceans make some of the best friends there are.

Communication with loved ones is considered most important.

Big Questions for Social Media Big Data: Representativeness, Validity and Other Methodological Pitfalls.

In ICWSM '14: Proceedings of the 8th International AAAI Conference on Weblogs and Social Media, 2014.

First, the lower bound for the number of edges in $(1 \epsilon)$-cut sparsifiers is improved, and now our bound is tight.141-154 14 pages, 5 figures, 3 tables, Chapter in: Workshop on Sustained Simulated Performance 2013, Published by Springer, 2014, edited by Michael Resch, Yevgeniya Kovalenko, Eric Focht, Wolfgang Bez and Hiroaki Kobaysahi Unfortunately, while preparing a journal version of this contribution we have discovered that Lemma 3 is wrong.

We have uploaded a preprint of the journal version to ar Xiv (article 1612.07912).