diff --git a/main.bbl b/main.bbl
deleted file mode 100644
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--- a/main.bbl
+++ /dev/null
@@ -1,13 +0,0 @@
-\begin{thebibliography}{1}
-
-\bibitem{Butler}
-Sathappan Muthiah, Anil Vullikanti, Achla Marathe, Kristen Summers, Graham
-  Katz, Andy Doyle, Jaime Arredondo, Dipak~K. Gupta, David Mares, Naren
-  Ramakrishnan, Patrick Butler, Rupinder~Paul Khandpur, Parang Saraf, Nathan
-  Self, Alla Rozovskaya, Liang Zhao, Jose Cadena, and Chang-tien Lu.
-\newblock {EMBERS at 4 years: Experiences operating an Open Source Indicators
-  Forecasting System}.
-\newblock {\em Proceedings of the 22nd ACM SIGKDD International Conference on
-  Knowledge Discovery and Data Mining - KDD '16}, pages 205--214, 2016.
-
-\end{thebibliography}
diff --git a/main.synctex.gz b/main.synctex.gz
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diff --git a/main.tex b/main.tex
index fe8cdc7..29c3582 100644
--- a/main.tex
+++ b/main.tex
@@ -6,7 +6,7 @@
 \usepackage{url}
 
 \author{Officina di Fisica}
-\title{Big Data revolution}
+\title{Big Data revolution?}
 \date{Settembre 2017}
 
 \begin{document}