Geo-targeting and mobile optimization are at the forefront of marketers’ minds these days – and for a good reason. As consumers continue with their on-the-go lifestyles, it’s more important that ever to make sure your brand is engaging them in the right way, and with relevant offers that increase the bottom line.

This week, five companies released new features and solutions that they believe will add value to brand-customer engagement both online and on mobile:

  • Because sometimes a ‘like’ just isn’t enough: After a year of experimentation, Facebook finally released the new Reactions button. On Wednesday morning, Zuckerberg said: “I’ve spent a lot of time thinking about the right way to this with our team…The result is Reactions, which allow you to express love, laughter, surprise, sadness or anger.” Read more on Mashable.
  • Google has done away with the sidebar ads in search results, moving four PPC ads to the banner position. This will make ads more expensive for brands – but also more effective. Search Engine Land investigates what this means for marketers, here.
  • Wish you could relate mobile ads to in-store traffic? Foursquare thinks they have the solution. Attribution Powered by Foursquare will allow marketers to understand how consumers are engaging with their brand offline, after seeing a mobile ad. In this article, Adweek explains how it all works.
  • On Monday, Snapchat announced On-Demand Geofilters, allowing anyone to make a filter for their company or event. Now, users can engage with your brand by sending a snap with these filters when in a specific location, for a set amount of time. Watch how it works, here.
  • Instagram has attracted over 200,000 advertisers, the brand announced Wednesday, surpassing Twitter and solidifying its spot as a very important platform for digital marketers. Read more on the Silicon Beat.