Abstract: There may be provided a method for personal protection, the method may include sensing information regarding a person; determining, by an artificial intelligence (AI) process, and based, at least in part, on the information regarding the person, whether the person is in risk; and triggering one or more threat mitigation operations or performing the one or more threat mitigation operations when determining that the person is in risk, wherein a threat mitigation operation may include alerting one or more risk mitigation entities.

Abstract: A method of dynamically expanding an online advertisement campaign in a VR environment comprising: receiving an advertisement request from a website loaded by a client device for VR presentation a VR environment on a VR display to a user using a VR user interface to navigate in the VR presentation, the advertisement request comprises a request to present an advertisement items to the user currently presented with at least a portion of a certain page of the website, selecting a presentation location in the page for embedding a presentation symbol correlated with a selected advertisement item and responding to the advertisement request with an instruction to embed the presentation symbol in the presentation location. Wherein the presentation location is selected to be discoverable by the user according to a discovery difficulty level calculated based on campaign parameter(s) defined by campaign rule(s) extracted from a campaign policy associated with the website.

Abstract: A system for searching and optionally reserving accommodation using a Virtual Reality (VR) interface comprising a first interface adapted to receive VR instructions from a VR user interface controlled by a user while presented with a VR presentation at a VR display, a second interface for accessing first and second storages and a processor. The first storage hosts a repository comprising a multiple layers each storing presentation data for multiple geographical areas at a respective zoom-in level. The second storage stores accommodation information of a plurality of accommodation facilities.