CLEAN : Hundreds of Web entrepreneurs gather in Ireland for Web summit

The video covers various topics including the expansion of Twitter into multiple products, the development of new mobile apps, and strategies for user engagement. It highlights a global startup event with diverse participation and investment opportunities. An innovative keyboard technology is introduced, offering advanced typing features. The video also observes a trendy business environment and presents a smokeless cooking device aimed at solving global health issues related to kitchen smoke inhalation.

What challenges do startups face when seeking investment as mentioned in the text?

In what ways can contextual understanding improve communication according to the text?