emily: viacom's ceo bob bakish there. coming up, softbank's massive fund makes its first ever energy storage bet. we find out what energy vault is with the ceo. this is bloomberg. ♪ emily: softbank's massive vision fund made its first ever energy storage that, investing in energy vault. this company stacks concrete blocks in a tower that can store and release energy. it is presenting the system as a solution to lithium batteries, claiming it can supply electricity 24 hours a day. to discuss what this means for the energy storage market, i sat down with the ceo. >> we've designed a very new, innovative new system tower. it includes a six arm crane and 35,000 metric ton bricks that are all orchestrated and raised and lowered with a proprietary software set, so that's the whole system integration. what we do is we take excess energy from solar or wind when it's produced and not needed. that energy is used to raise the blocks. and when the energy is needed by the grid, we lower those blocks and discharge the energy. emily:
cbs and viacom finally inked a merger deal. we will talk to viacom's ceo about synergies and the road ahead. what slowing economy? chinese online retailer alibaba defies the slowdown amidst a trade war with sales surpassing expectations. first to our top story, it was a big week for tech ipo's with fleet work and cloudflare filing to go public. the web security company cloudflare has been in the news lately, given its relationship with controversial message board, 8chan. three alleged gunman posted manifestoes on 8chan before three separate mass shootings in the united states. cloudflare stop providing services after the latest shooting in el paso, left two dozen dead, largely taking the platform off-line. so, is now the time to go public for cloudflare? i discussed it with liliana baker and will curtain. >> like many other tech ipo's, especially in software, it is not profitable. it has a pretty good growth rate though. it's really trying to look at its competitor, fastly. fastly went public earlier this year and is doing ok.
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