Today, the founder of Blacklines & Billables, Christian Lang, launched a new blog called “Dealtech.”  Dealtech is focused on transactional legal technology and is committed to mapping the landscape of tools deal lawyers and other professionals need to serve their clients better, faster, and cheaper.  The blog’s “welcome” post describes the project and its goals, and the content kicks off with Product Profiles of best-in-class transactional software.