Looks like another linkedin scraper signalhire.com page has already been removed, it was working a few hours ago. Source: over 1 year ago

I just found a few data collator sites, zoominfo.com and signalhire.com are just two - they seem to scrape sites like Linkedin etc and collate everything. Personal numbers can be found pretty easily, if you've ever signed up for a business identification number it could be there, could be in a data leak somewhere - these companies are pretty shady and will buy data from places to just get a lead. Source: over 1 year ago

Not to mention bunch of scammy crawlers like signalhire.com that constantly scrap LinkedIn data and make it fully public. Source: almost 3 years ago

Sorry. I have a solution. And it's free. But it need a hard work. Go to Google maps. And search for specific niche let's say House cleaning service in new york. And start looking at all results and if they don't have a website call them and offer your service. You can invest also in automatic system like https://simpletexting.com and collect all results phone number and send bulk sms with your service link. I hope... Source: about 1 year ago

Better is to find a business texting solution. For example Avochato has Slack integration. A quick google for "Business Texting" finds a lot of options, like SimpleTexting, or TextUs. Or if you are just doing mass notifications, there are options for that specifically as well. Source: about 2 years ago

Again, see here, the introduction of a smartphone to the market started in 1994. IBM released their first smartphone, according to simpletexting.com, a devastating 77% of all adult Americans. The approximate population of American adults is 209,128,094 according to infoplease.com, and 77% of that is 161,068,232 adults that have a smartphone, imagine that, it is only the adults, teens around 13 to 17 has a 95% that... Source: about 2 years ago