From what sources can I find out about opening an industry summit? (time, place)

This question is quite good, a lot of resources and information for the a-end, the use of these information resources for the b-end of the terminal, the process from a to b that is the channel, the importance of the channel in the era of information technology is becoming more and more prominent. For industry summits, can be roughly divided into the following channels:

1, offline channels: industry associations, enterprise industry resource base (suppliers, partners, competitors in the same industry), industry research institutions (such as some consulting firms or think tanks), the traditional media (paper media, television media).

2, online public channels: new media platforms (Tiger, 36 Krypton, Titanium Media, Chopping Chai and other specialized information sites), these online media channels are very rich in resources, and most of them are building a community system, most of which can be obtained first-hand information.

3, online own expansion channels: a typical example, WeChat group, micro-business operations, of course, now WeChat group of good and bad, the need to distinguish between a professional perspective, choose the best and enter. Including a lot of industry summits are now transferred from offline to online, such as Chaos University, Lakeside University, etc., but I think this is just a stage phenomenon.